Make 'Em Laugh: The Funny Business of America (2009)

Billy Crystal

as Self - Host

Amy Sedaris

as Self - Narrator(voice)

Leonard Maltin

as Self - Film Critic and Historian

George Carlin

as Self - Comedian

Larry Wilmore

as Self

Larry Gelbart

as Self - Writer for Bob Hope

Joan Rivers

as Self - Comedienne

A

Anne Beatts

as Self - Writer

Chris Rock

as Self - Comedian

R

Robert Klein

as Self - Comedian