Ethan Hawke as Ben Crandall

River Phoenix as Wolfgang Müller

Jason Presson as Darren Woods

Amanda Peterson as Lori Swenson

Bobby Fite as Steve Jackson

Dana Ivey as Mrs. Müller

Bradley Gregg as Steve Jackson's Gang

Georg Olden as Steve Jackson's Gang

Chance Schwass as Steve Jackson's Gang

Danny Nucci as Nasty Kid at School

Taliesin Jaffe as Ludwig Müller

James Cromwell as Mr. Müller

Brooke Bundy as Science Teacher

Tricia Bartholome as Girl in Classroom

Eric Luke as Darren's Teacher

Robert Picardo as Starkiller / Wak / Wak and Neek's Father

Karen Mayo-Chandler as Starkiller's Girlfriend

Robert F. Boyle as Starkiller's Girlfriend's Father

John P. Navin, Jr. as Couple at Drive-In

Mary Hillstead as Couple at Drive-In

Simone Blue as Snack Bar Girl

Meshach Taylor as Gordon Miller

Dick Miller as Charlie Drake

Leslie Rickert as Neek

Mary Kay Place as Mrs. Crandall (uncredited)