Jason Alexander to guest star on ‘Young Sheldon’ (EXCLUSIVE)

Jason Alexander is returning to sitcoms with a special guest star role on CBS’ “Young Sheldon,” Variety has learned exclusively.

Alexander will play Mr. Lundy – Medford High School’s resident drama teacher who “boldly shepherds” Sheldon (Iain Armitage) into the world of acting. He will appear in the 16th episode of “The Big Bang Theory’s” prequel’s first season, which will air this spring.

Alexander, who most famously portrayed George Costanza in sitcom “Seinfeld” for nine years in the 1990s, was most recently seen in Audience Network’s comedy, “Hit The Road.” Some of his other television credits include “Friends,” “Everybody Hates Chris,” “Curb Your Enthusiasm,” “Listen Up” and “The Grinder.”

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'Seinfeld' cast through the years
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'Seinfeld' cast through the years
SEINFELD -- 'The Ex-Girlfriend' Episode 1 -- Pictured: (l-r) Jerry Seinfeld as Jerry Seinfeld, Julia Louis-Dreyfus as Elaine Benes (Photo by Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
SEINFELD -- Season 2 -- Pictured: (l-r) Julia Louis-Dreyfus as Elaine Benes, Jerry Seinfeld as Jerry Seinfeld (Photo by Chris Haston/NBC/NBCU Photo Bank via Getty Images)
SEINFELD -- 'The Pony Remark' Episode 2 -- Pictured: (l-r) David Fresco as Isaac, Julia Louis-Dreyfus as Elaine Marie Benes, Jerry Seinfeld as Jerry Seinfeld (Photo by Alice S. Hall/NBC/NBCU Photo Bank via Getty Images)
SEINFELD -- Season 1 -- Pictured: (l-r) Julia Louis-Dreyfus as Elaine Benes, Michael Richards as Cosmo Kramer, Jerry Seinfeld as Jerry Seinfeld, Jason Alexander as George Costanza (Photo by Chris Haston/NBC/NBCU Photo Bank via Getty Images)
SEINFELD -- Pictured: Michael Richards as Cosmo Kramer, Jerry Seinfeld as Jerry Seinfeld, Julia Louis-Dreyfus as Elaine Benes, Jason Alexander as George Costanza (Photo by Chris Haston/NBC/NBCU Photo Bank via Getty Images)
SEINFELD-- Pictured: (l-r) Jason Alexander as George Costanza, Jerry Seinfeld as Jerry Seinfeld , Michael Richards as Cosmo Kramer, Julia Louis-Dreyfus as Elaine Benes (Photo by Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
SEINFELD -- Season 3 -- Pictured: (l-r) Julia Louis-Dreyfus as Elaine Benes, Jerry Seinfeld as Jerry Seinfeld (Photo by Chris Haston/NBC/NBCU Photo Bank via Getty Images)
SEINFELD -- 'The Old Man' Episode 18 -- Pictured: (l-r) Victoria Dillard as Agency Rep, Jerry Seinfeld as himself, Jason Alexander as George Costanza (Photo by Alice S. Hall/NBC/NBCU Photo Bank via Getty Images)
From left to right, 'Seinfeld' co-stars Michael Richards, Jerry Seinfeld, Julia Louis-Dreyfus and Jason Alexander in the press room at the Emmy Awards in Pasadena, California, 19th September 1993. (Photo by The LIFE Picture Collection/Getty Images)
SEINFELD -- 'The Mango' Episode 1 -- Pictured: Jerry Seinfeld as Himself (Photo by Monty Brinton/NBC/NBCU Photo Bank via Getty Images)
SEINFELD -- 'The Wink' Episode 4 -- Pictured: (l-r) Jerry Seinfeld as himself, Julia Louis-Dreyfus as Elaine Benes, Stacey Travis as Holly (Photo by Barry Slobin/NBC/NBCU Photo Bank via Getty Images)
SEINFELD -- Season 7 -- Pictured: (l-r) Julia Louis-Dreyfus as Elaine Benes, Jerry Seinfeld as Jerry Seinfeld (Photo by Andrew Eccles/NBC/NBCU Photo Bank via Getty Images)
SEINFELD -- 'The Chicken Roaster' Episode 8 -- Pictured: (l-r) Michael Richards as Cosmo Kramer, Wayne Knight as Newman (Photo by Byron Cohen/NBC/NBCU Photo Bank via Getty Images)
SEINFELD -- 'The Foundation' Episode 1 -- Pictured: (l-r) Jerry Seinfeld as Jerry Seinfeld, Julia Louis-Dreyfus as Elaine Benes, Michael Richards as Cosmo Kramer -- Photo by: Joseph Del Valle/NBCU Photo Bank
LOS ANGELES, CA - FEBRUARY 23: (L-R) Jason Alexander, Jerry Seinfeld, Julia Louis-Dreyfus and Michael Richards attend Third Annual Screen Actors Guild of America Awards on February 23, 1997 at the Shrine Auditorium in Los Angeles, California. (Photo by Ron Galella, Ltd./WireImage)
Seinfeld's Girlfriends- Episode #04-0517 - 'The Wife' Special Guest: Courteney Cox 1997 Castle Rock Entertainment (Photo By Getty Images)
SEINFELD -- 'The Blood' Episode 4 -- Pictured: Michael Richards as Cosmo Kramer (Photo by Joseph Del Valle/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, UNITED STATES: Fans gather outside Tom's Restaurant 14 May in New York and take photographs as they prepare for the last episode of the TV show Seinfeld which uses the restaurant's exterior for a set in the show. The final episode is scheduled to air 14 May at 20:45 EDT. AFP PHOTO Don EMMERT (Photo credit should read DON EMMERT/AFP/Getty Images)
SEINFELD -- 'The Finale: Part 1&2' Episode 23 & 24 -- Pictured: (l-r) Jason Alexander as George Costanza, Jerry Seinfeld as Jerry Seinfeld, Julia Louis-Dreyfus as Elaine Benes, Michael Richards as Cosmo Kramer (Photo by Joseph Del Valle/NBC/NBCU Photo Bank via Getty Images)
SEINFELD -- 'The Finale: Part 1 & 2' Episode 23/24 -- Pictured: (l-r) Jerry Seinfeld as Jerry Seinfeld, Jason Alexander as George Costanza (Photo by Joey Delvalle/NBC/NBCU Photo Bank via Getty Images)
Michael Richards, Julia Louis-Dreyfus and Jerry Seinfeld (Photo by Gregory Pace/FilmMagic)
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Alexander is repped by Innovative Artists, Abrams Artists Agency and UTA.

Young Sheldon,” which is executive produced by Chuck Lorre, Steve Molaro, Jim Parsons and Todd Spiewak, is the No. 1 new comedy in viewers, adults 18-49 and adults 25-54 and the No. 2 comedy in all of television, behind its predecessor “The Big Bang Theory.” The most recent episode saw 12.88 live+same day total viewers and 2.3 in the 18-49 demo.

“Young Sheldon” returns with new episodes Mar. 1 and the show has already been renewed for a second season.

 

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