All Cast

Tom Hanks

Tom Hanks

Self

Jason Alexander

Jason Alexander

self

Jack Black

Jack Black

Self

Cedric the Entertainer

Cedric the Entertainer

Self

Larry David

Larry David

Self

Leonardo DiCaprio

Leonardo DiCaprio

Self

Will Ferrell

Will Ferrell

George W. Bush

Faith Hill

Faith Hill

Self

Dustin Hoffman

Dustin Hoffman

Self

Richard Jenkins

Richard Jenkins

Self

Jenifer Lewis

Jenifer Lewis

Self

Julia Louis-Dreyfus

Julia Louis-Dreyfus

Self

Bill Maher

Bill Maher

Self

Steve Martin

Steve Martin

Self

Tim McGraw

Tim McGraw

Self

Virginia Newcomb

Virginia Newcomb

Self

Kevin Sateri

Kevin Sateri

Self

Matthew Shaffer

Matthew Shaffer

Self

Ben Stiller

Ben Stiller

Self

Wanda Sykes

Wanda Sykes

Self

William Wessley

William Wessley

Self

Robin Williams

Robin Williams

Self

Meeghan Henry

Meeghan Henry

Child (uncredited)

Jim Lovell

Jim Lovell

Self

Eric Idle

Eric Idle

Self

Cohl Klop

Cohl Klop

Global Warming Protector

Robert Smigel

Robert Smigel

Triumph the Insult Comic Dog

Martin Short

Martin Short

Nathan Thurm

Robert F. Kennedy Jr.

Robert F. Kennedy Jr.

Self

Conan O'Brien

Conan O'Brien

Self

Ray Romano

Ray Romano

Self

Kevin Nealon

Kevin Nealon

Self

Dana Carvey

Dana Carvey

Self

Al Franken

Al Franken

Self

Jeffrey Tambor

Jeffrey Tambor

Self

Rob Corddry

Rob Corddry

Self (archived footage)

David Letterman

David Letterman

Self (archived footage)