Patrick Fugit as Bickford Shmeckler

Fran Kranz as Ralph

Olivia Wilde as Sarah Witt

John Cho as Bob

Reid Scott as Trent

Matthew Lillard as Spaceman

Cheryl Hines as Professor Adams

Thomas Lennon as Campus Cop

Robert Ben Garant as Campus Cop

Deon Richmond as Red

Tyler Francavilla as PJ

Chris Weitz as Sheldon Schmeckler (voice)

J.D. Walsh as Fred

Gary Lundy as Mellow Guy

Genevieve Padalecki as Toga Hussy

Wes Ramsey as Rob

Greg Pitts as Doug the Dungeon Master

Simon Helberg as Al

Mageina Tovah as Sam

J.B. Ghuman Jr. as Bill

Natalie Garza as Alpha Zeta Sister

Nicole Garza as Alpha Zeta Sister

Tiffany Dupont as Alpha Zeta Sister

Clark Gregg as Publisher