Stars (in credits order)
Budd Friedman
Self (Founder of The Improv)
Judd Apatow
Self
Dave Attell
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Richard Belzer
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Lewis Black
Russell Brand
George Carlin
Jim Carrey
Mark Cohen
Chipps Cooney
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Allen Covert
Billy Crystal
Rodney Dangerfield
Larry David
Jimmy Fallon
Kathy Griffin
Andy Kaufman
Michael Patrick King
Robert Klein
Steve Landesberg
Jay Leno
Richard Lewis
Mark Lonow
Bill Maher
Bette Midler
Larry Miller
Jay Mohr
Eddie Murphy
Richard Pryor
Don Rickles
Joan Rivers
Ray Romano
Adam Sandler
Narratorvoice
Jerry Seinfeld
Nancy Shayne
Sarah Silverman
Jon Stewart
Lily Tomlin
Damon Wayans
Keenen Ivory Wayans
Marlon Wayans
Shawn Wayans
Robin Williams