Ryan Seacrest

Character: Self - Host

Christina Applegate

Character: Self

Katey Sagal

Character: Self

Ed O'Neill

Character: Self

David Faustino

Character: Self

Seth MacFarlane

Character: Self

Evan Marriott

Character: Self

David Duchovny

Character: Self

Gillian Anderson

Character: Self

Chris Carter

Character: Self

Calista Flockhart

Character: Self

Kelsey Grammer

Character: Self

Katy Perry

Character: Self

Shannen Doherty

Character: Self

Gabrielle Carteris

Character: Self

Jason Priestley

Character: Self

Ian Ziering

Character: Self

Terry Bradshaw

Character: Self

Joe Buck

Character: Self

Hugh Laurie

Character: Self

Kiefer Sutherland

Character: Self

Carrie Underwood

Character: Self

Ashton Kutcher

Character: Self

Mila Kunis

Character: Self

Laura Prepon

Character: Self

Wilmer Valderrama

Character: Self

Keenen Ivory Wayans

Character: Self

Marlon Wayans

Character: Self

Tommy Davidson

Character: Self

Shawn Wayans

Character: Self

Dan Castellaneta

Character: Homer Simpson (voice) (uncredited)

Nancy Cartwright

Character: Bart Simpson (voice) (uncredited)

Julie Kavner

Character: Marge Simpson (voice) (uncredited)

Yeardley Smith

Character: Lisa Simpson (voice) (uncredited)

Zooey Deschanel

Character: Self (voice) (uncredited)

Hank Azaria

Character: Moe Szyslak (voice) (uncredited)

Mike Henry

Character: Cleveland Brown (voice) (uncredited)

Dan Mintz

Character: Tina Belcher (voice) (uncredited)

Eugene Mirman

Character: Gene Belcher (voice) (uncredited)

John Roberts

Character: Linda Belcher (voice) (uncredited)

H. Jon Benjamin

Character: Bob Belcher (voice) (uncredited)

Kristen Schaal

Character: Louise Belcher (voice) (uncredited)

Jim Carrey

Character: Self (archive footage) (uncredited)

Jennifer Lopez

Character: Self (archive footage) (uncredited)