Patrick Fugit

Bickford Shmeckler

Fran Kranz

Ralph

Olivia Wilde

Sarah Witt

John Cho

Bob

Reid Scott

Trent

Matthew Lillard

Spaceman

Cheryl Hines

Professor Adams

Thomas Lennon

Campus Cop

Robert Ben Garant

Campus Cop

Deon Richmond

Red

Tyler Francavilla

PJ

Chris Weitz

Sheldon Schmeckler (voice)