'The Talk' sets season 8 guest hosts amid search for Aisha Tyler's replacement

CBS is turning to its primetime stars to co-host The Talk when it returns for its eighth season next week as the network continues to search for a permanent replacement for Aisha Tyler.

The daytime talk show will return on Monday, Sept. 11 without a permanent replacement for Tyler, who exited the series last month. Her last day was Aug. 4.

As the network continues to search for a new full-time staffer to join fellow co-hosts Julie Chen, Sheryl Underwood, Sara Gilbert and Sharon Osbourne, primetime stars Shemar Moore (freshman drama SWAT), Chris O'Donnell (NCIS: Los Angeles), Eric Christian Olsen (NCIS: Los Angeles) and Wilmer Valderrama (NCIS) will fill in next week as guest co-hosts.

Read more: 'The Talk': Aisha Tyler Bids Farewell to CBS Daytime Show

See photos from "The Talk":

17 PHOTOS
'The Talk' through the years
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'The Talk' through the years
LOS ANGELES - FEBRUARY 22: Actress America Ferrera discusses her new television series on 'The Talk,' Monday, February 22, 2016 on the CBS Television Network. From left, Sheryl Underwood, Sara Gilbert, America Ferrera, Sharon Osbourne, Aisha Tyler and Julie Chen, shown. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - AUGUST 26: The 7 Wonders of THE TALK! Season 7 premieres with shocking reveals, behind the scenes secrets, surprising reunions and more. Monday, Sept. 12, 2:00 PM ET/1:00 PM, PT/CT on the CBS Television Network. Julie Chen, shown (Photo by Robert Ascroft/CBS via Getty Images)
LOS ANGELES - MAY 9: Television host Craig Ferguson visits 'The Talk,' Monday, May 9, 2016 on the CBS Television Network. From left, Sheryl Underwood, Sara Gilbert, Craig Ferguson, Leeza Gibbons, Aisha Tyler and Julie Chen, shown. '(Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - MAY 11: Actor Bradley Whitford discusses his new television biopic on 'The Talk,' Wednesday, May 11, 2016 on the CBS Television Network. From left, Bradley Whitford, Sharon Osbourne, and Julie Chen, shown. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - MAY 9: Television host Craig Ferguson visits 'The Talk,' Monday, May 9, 2016 on the CBS Television Network. From left, Sheryl Underwood, Sara Gilbert, Craig Ferguson, Leeza Gibbons, Aisha Tyler and Julie Chen, shown. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - APRIL 21: Actor Joel Kinnaman discusses his television series on 'The Talk,' Friday, April 22, 2016 on the CBS Television Network. From left, Carnie Wilson, Sara Gilbert, Joel Kinnaman, Sharon Osbourne, Aisha Tyler and Julie Chen, shown. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - APRIL 12: Academy award winners Geena Davis and Susan Sarandon discuss the 25th Anniversary of 'Thelma & Louise' on 'The Talk,' Tuesday, April 19, 2016 on the CBS Television Network. 'The Talk' hosts celebrate the 25th Anniversary of 'Thelma & Louise' with actresses Geena Davis and Susan Sarandon on 'The Talk,' Tuesday, April 19, 2016 on the CBS Television Network. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - APRIL 12: Oscar-winning actress Susan Sarandon discusses her new film 'The Meddler' on 'The Talk,' Tuesday, April 19, 2016 on the CBS Television Network. From left, Sara Gilbert, Susan Sarandon, Sharon Osbourne, shown. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - FEBRUARY 25: Award-winning singer, songwriter, musician Sir Elton John discusses his new album, 'Wonderful Crazy Night' on 'The Talk,' Friday, February 26, 2016 on the CBS Television Network. From left, Sheryl Underwood, Sara Gilbert, Sir Elton John, Sharon Osbourne, Aisha Tyler and Carnie Wilson, shown. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - FEBRUARY 22: 'Top Talker' Nancy O'Dell ('Entertainment Tonight') visits 'The Talk,' Tuesday, February 23, 2016 on the CBS Television Network. From left, Sheryl Underwood, Sara Gilert, Nancy O'Dell, Sharon Osbourne, Aisha Tyler and Julie Chen, shown. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - JANUARY 27: Comedy legend Carol Burnett discusses her SAG Life Achievement Award on 'The Talk,' Wednesday, January 27, 2016 on the CBS Television Network. From left, Sheryl Underwood, Sara Gilbert, Carol Burnett, Sharon Osbourne, Aisha Tyler and Julie Chen, shown. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - APRIL 5: Media legend Oprah Winfrey visits 'The Talk,' Monday, April 17, 2017 on the CBS Television Network. From left, Sheryl Underwood, Sara Gilbert, Oprah Winfrey, Sharon Osbourne, Aisha Tyler and Julie Chen, shown. (Photo by Cliff Lipson/CBS via Getty Images)
LOS ANGELES - MAY 10: Television personality and author Caitlyn Jenner discuss her new book, 'The Secrets of My Life' on 'The Talk,' Wednesday, May 10, 2017 on the CBS Television Network. From left, Sheryl Underwood, Sara Gilbert, Caitlyn Jenner, Sharon Osbourne, Aisha Tyler and Julie Chen, shown. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - OCTOBER 19: 'The Talk' celebrates Halloween with its 2nd Annual Rocktober Lip Sync War featuring can't-miss performances from the hosts as they transform into iconic musicians; including special guest host, music icon and actor LL Cool J (CBS's 'NCIS: Los Angeles') on Monday, October 31, 2016 on the CBS Television Network. From left, Sheryl Underwood, Sara Gilbert, Sharon Osbourne. Aisha Tyler and Julie Chen, shown. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - SEPTEMBER 22: The ladies of The Talk welcome musician Charlie Puth on Thursday, September 22, 2016 for the CBS Television Network. From left, Sheryl Underwood, Sara Gilbert, Charlie Puth, Sharon Osbourne, Aisha Tyler and Julie Chen, shown. (Photo by Sonja Flemming/CBS via Getty Images)
LOS ANGELES - MAY 11: Actor Bradley Whitford discusses his new television biopic on 'The Talk,' Wednesday, May 11, 2016 on the CBS Television Network. From left, Sheryl Underwood, Sara Gilbert, Bradley Whitford, Sharon Osbourne, Aisha Tyler and Julie Chen, shown.(Photo by Sonja Flemming/CBS via Getty Images)
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Here's the full rundown of special guests and their respective temporary co-hosts for The Talk's Premiere Week:

Monday, Sept. 11: NCIS stars Mark Harmon and Maria Bello with Entertainment Tonight's Nancy O'Dell's Top Talker segment.

Tuesday, Sept. 12: The Mindy Project's Mindy Kaling along with Moore.

Wednesday, Sept. 13: The Lego Ninjago Movie's Jackie Chan with Olsen.

Thursday: Dr. Phil McGraw previews the 16th season of his syndicated show along with Valderrama. 

Friday, Sept. 15: The Late Show and Emmy host Stephen Colbert along with O'Donnell.

See photos of Aisha Tyler:

13 PHOTOS
Aisha Tyler
See Gallery
Aisha Tyler
NEW YORK, NEW YORK - MARCH 20: Aisha Tyler attends the 'Batman V Superman: Dawn Of Justice' New York Premiere at Radio City Music Hall on March 20, 2016 in New York City. (Photo by Nicholas Hunt/FilmMagic)
UNIVERSAL CITY, CA - MARCH 09: Aisha Tyler visits 'Extra' at Universal Studios Hollywood on March 9, 2016 in Universal City, California. (Photo by Noel Vasquez/Getty Images)
SANTA MONICA, CA - FEBRUARY 27: Actress Aisha Tyler arrives for the 2016 Film Independent Spirit Awards held on February 27, 2016 in Santa Monica, California. (Photo by C Flanigan/Getty Images)
LOS ANGELES, CA - FEBRUARY 28: Aisha Tyler attends the Oscars Viewing Party at the Private Residence of Jonas Tahlin, CEO of Absolut Elyx on February 28, 2016 in Los Angeles, California. (Photo by Joshua Blanchard/Getty Images for Absolut Elyx)
SANTA MONICA, CA - FEBRUARY 27: Actresses Aisha Tyler and Retta attend the 2016 Film Independent Spirit Awards private reception on February 27, 2016 in Santa Monica, California. (Photo by Amanda Edwards/WireImage)
SANTA MONICA, CA - FEBRUARY 25: Actress Aisha Tyler arrives at the 2016 Oscar Wilde Awards at Bad Robot on February 25, 2016 in Santa Monica, California.(Photo by Jeffrey Mayer/WireImage)
LOS ANGELES, CA - FEBRUARY 24: Aisha Tyler attends Alfre Woodard's 7th Annual 'Oscar's Sistahs Soiree' Presented By Tanqueray No. TEN And Perennial Sports & Entertainment on February 24, 2016 in Los Angeles, California. (Photo by Todd Williamson/Getty Images for Miss Maglashan Productions)
BEVERLY HILLS, CA - JANUARY 10: Actress Aisha Tyler attends InStyle and Warner Bros. 73rd Annual Golden Globe Awards Post-Party at The Beverly Hilton Hotel on January 10, 2016 in Beverly Hills, California. (Photo by Lester Cohen/WireImage)
LOS ANGELES, CA - JANUARY 06: (L-R) TV personalities Sheryl Underwood, Sara Gilbert, Sharon Osbourne, Aisha Tyler and Julie Chen pose with an award in the press room during the People's Choice Awards 2016 at Microsoft Theater on January 6, 2016 in Los Angeles, California. (Photo by Allen Berezovsky/Getty Images)
NEW YORK, NY - DECEMBER 09: Aisha Tyler and Julie Chen of CBS' 'The Talk' ring the closing bell at the New York Stock Exchange on December 9, 2015 in New York City. (Photo by Grant Lamos IV/Getty Images)
NEW YORK, NY - DECEMBER 07: Aisha Tyler attends 'In The Heart Of The Sea' New York premiere at Frederick P. Rose Hall, Jazz at Lincoln Center on December 7, 2015 in New York City. (Photo by Andrew Toth/FilmMagic)
NEW YORK - DECEMBER 8: The ladies of The Talk Sheryl Underwood, Sara Gilbert, Sharon Osbourne, Aisha Tyler and Julie Chen in the green room of CBS This Morning on Tuesday, Dec. 8, 2015 for the CBS Television Network. (Photo by Heather Wines/CBS via Getty Images)
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