Self

Tom Hanks

Acting

self

Jason Alexander

Acting

Self

Jack Black

Acting

Self

Cedric the Entertainer

Acting

Self

Larry David

Writing

Self

Leonardo DiCaprio

Acting

George W. Bush

Will Ferrell

Acting

Self

Faith Hill

Acting

Self

Dustin Hoffman

Acting

Self

Richard Jenkins

Acting

Self

Jenifer Lewis

Acting

Self

Julia Louis-Dreyfus

Acting

Self

Bill Maher

Acting

Self

Steve Martin

Acting

Self

Tim McGraw

Acting

Self

Virginia Newcomb

Acting

Self

Kevin Sateri

Acting

Self

Matthew Shaffer

Acting

Self

Ben Stiller

Acting

Self

Wanda Sykes

Acting

Self

William Wessley

Acting

Self

Robin Williams

Acting

Child (uncredited)

Meeghan Henry

Acting

Self

Jim Lovell

Acting

Self

Eric Idle

Acting

Global Warming Protector

Cohl Klop

Acting

Triumph the Insult Comic Dog

Robert Smigel

Acting

Nathan Thurm

Martin Short

Acting

Self

Robert F. Kennedy Jr.

Acting

Self

Conan O'Brien

Acting

Self

Ray Romano

Acting

Self

Kevin Nealon

Acting

Self

Dana Carvey

Acting

Self

Al Franken

Acting

Self

Jeffrey Tambor

Acting

Self (archived footage)

Rob Corddry

Acting

Self (archived footage)

David Letterman

Acting