Firstborn

Teri Garr

Wendy

Peter Weller

Sam

Christopher Collet

Jake Livingston

Corey Haim

Brian Livingston

Sarah Jessica Parker

Lisa

Robert Downey Jr.

Lee

Chris Gartin

Mr. Rader

James Harper

Mr. Rader

Larry Atlas

Stranger

Ned Eisenberg

Learner Driver (uncredited)