Jason Schwartzman

Max Fischer

Bill Murray

Herman Blume

Olivia Williams

Rosemary Cross

Seymour Cassel

Bert Fischer

Brian Cox

Dr. Nelson Guggenheim

Mason Gamble

Dirk Calloway

Sara Tanaka

Margaret Yang

Stephen McCole

Magnus Buchan

Luke Wilson

Dr. Peter Flynn

Andrew Wilson

Coach Beck

Connie Nielsen

Mrs. Calloway

Wallace Wolodarsky

Referee

Michael Maggart

Concierge

Ed Geldart

Security Guard

Eric Chase Anderson

Architect

Kumar Pallana

Mr. LittleJeans

Stephen Dignan

Reuben

Alexis Bledel

Student (uncredited)

Brandon Trost

Vietnamese Soldier with Rocket Launcher (uncredited)

Jason Trost

Party Kid (uncredited)