'SNL' unveils new cast members Alex Moffat, Melissa Villaseñor and Mikey Day

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"Saturday Night Live" has officially unveiled three new cast members for Season 42: Alex Moffat, Melissa Villaseñor and Mikey Day

TheWrap previously reported Day's promotion from the writing staff. He hails from Nick Cannon's improv series "Wild 'N Out," where Day was a standout.

"SNL" returns Oct. 1 for its season premiere.

"Saturday Night Live" is produced in association with Broadway Video. The creator and executive producer is Lorne Michaels.

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Read original story 'SNL' Unveils New Cast Members Alex Moffat, Melissa Villaseñor and Mikey Day At TheWrap

Check out more from "SNL" in the gallery below!

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SNL - Saturday Night Live - 40th anniversary
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SNL - Saturday Night Live - 40th anniversary
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Bradley Cooper, Gloria Campano walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Jane Krakowski walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Dakota Johnson walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Kerry Washington, Chris Rock walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Taylor Swift walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Matt Lauer, Savannah Guthrie, Al Roker, Carson Daly walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Fred Armisen walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Pete Davidson, Kate McKinnon, Jay Pharoah, Aidy Bryant, Cecily Strong, Kyle Mooney, Sasheer Zamata, Beck Bennett, Michael Che, Vanessa Bayer, Colin Jost, Bobby Moynihan, Taran Killam, Kenan Thompson walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Carson Daly, Al Roker, Savannah Guthrie, Matt Lauer walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Al Roker walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Michael Loccisano/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Tom Arnold walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Michael Loccisano/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - FEBRUARY 15: Actor Fred Willard attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
NEW YORK, NY - FEBRUARY 15: Rapper Darryl 'D.M.C.' McDaniels attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
NEW YORK, NY - FEBRUARY 15: Comedian Rachel Dratch attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
NEW YORK, NY - FEBRUARY 15: Justin Timberlake attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
NEW YORK, NY - FEBRUARY 15: Actor Bill Murray attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
NEW YORK, NY - FEBRUARY 15: Comedian Will Ferrell attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Jeannie Mai walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - FEBRUARY 15: Comedian Horatio Sanz attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Billy Crystal walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Bill Hader walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Darryl 'DMC' McDaniels walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Justin Timberlake, Billy Vrystal, and Jimmy Fallon walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Jimmy Fallon, Justin Timberlake walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Kevin Nealon and guest walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Martin Short walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Whoopi Goldberg walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Robert De Niro walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Kate Capshaw, Steven Spielberg walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - FEBRUARY 15: Tom Hanks attends the SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Gary Gershoff/WireImage)
NEW YORK, NY - FEBRUARY 15: Sarah Silverman attends the SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Gary Gershoff/WireImage)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Dakota Johnson walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - FEBRUARY 15: Actress Emma Stone attends the SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Gary Gershoff/WireImage)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Jessica Seinfeld, Jerry Seinfeld walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Kerry Washington, Chris Rock walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Bill Hader, Kristen Wiig, Fred Armisen during The Californians on February 15, 2015 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Laraine Newman, Bill Hader, Taran Killam, Kristen Wiig, Keenan Thompson, Taylor Swift, Fred Armisen, Kerry Washington, Betty White during The Californians on February 15, 2015 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Robert Dinero during the New York Open on February 15, 2015 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images`)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Paul McCartney performs on February 15, 2015 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images`)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Paul McCartney performs on February 15, 2015 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images`)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Dan Aykkroyd during the Bass-O-Matic on February 15, 2015 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images`)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Will Ferrell as Alex Trebek, Darrell Hammond as Sean Connery, Taran Killam as Christoph Waltz, Jim Carrey as Matthew McConaughey during the Celebrity Jeopardy on February 15, 2015 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images`)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Will Ferrell as Alex Trebek, Darrell Hammond as Sean Connery, Kate McCinnon as Justin Beiber, Alec Baldwin as Tony Bennett during the Celebrity Jeopardy on February 15, 2015 -- (Photo by: Dana Edelson/NBC/NBCU Photo Bank via Getty Images`)
NEW YORK, NY - FEBRUARY 15: John Goodman attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
NEW YORK, NY - FEBRUARY 15: Lance Bass attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
NEW YORK, NY - FEBRUARY 15: Cuba Gooding Jr. attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
NEW YORK, NY - FEBRUARY 15: Michael Douglas and Catherine Zeta-Jones attend the SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Gary Gershoff/WireImage)
NEW YORK, NY - FEBRUARY 15: Betty White attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Taboo walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: George Lucas walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Kristen Wiig walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Kevin Kline walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Cheri Oteri walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Alan Cumming walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Guest, Kyle Maclachlan walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Ed Norton, Shauna Robertson walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - FEBRUARY 15: Bradley Cooper (L) and Chris Rock attend SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Sigourney Weaver walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Rudy Giuliani walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Steve Buscemi and guest walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Paul Feig walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Gabourey Sidibe walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - FEBRUARY 15: Ludacris attends SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Jon Lovitz walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: (l-r) Justin Timberlake, Billy Vrystal, and Jimmy Fallon walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - FEBRUARY 15: Comedian Jimmy Fallon (L) and Justin Timberlake attend SNL 40th Anniversary Celebration at Rockefeller Plaza on February 15, 2015 in New York City. (Photo by Larry Busacca/Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Garrett Morris walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Mike Coppola/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Darryl 'DMC' McDaniels walk the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
SATURDAY NIGHT LIVE 40TH ANNIVERSARY SPECIAL -- Pictured: Whoopi Goldberg walks the red carpet at the SNL 40th Anniversary Special at 30 Rockefeller Plaza in New York, NY on February 15, 2015 -- (Photo by: Jamie McCarthy/NBC/NBCU Photo Bank via Getty Images)
MacDonald went on a long Twitter story Wednesday night and explained Murphy's part was intended to be much bigger.
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