Jason Alexander

Self

Chris Albrecht

Self - HBO Chairman / CEO

Hank Azaria

Self

Shelley Berman

Self

Steven Gary Banks

Billy the Mime (as Billy the Mime)

Lewis Black

Self

Mario Cantone

Self

George Carlin

Self

Drew Carey

Self

Mark Cohen

Self

Scott Thompson

Self

Billy Connolly

Self

Hugh Hefner

Self (archive footage) (uncredited)

Jimmy Kimmel

Self (archive footage) (uncredited)

Paul Provenza

Self (uncredited)

Rob Schneider

Self (archive footage) (uncredited)

Pat Cooper

Self

Wayne Cotter

Self

Andy Dick

Self

Frank Digiacomo

Self - Journalist

Phyllis Diller

Self

Susie Essman

Self

Carrie Fisher

Self

Joe Franklin

Self