Matthew Lawrence

Character: Frank Stein

Ryan Reynolds

Character: Karl O'Reilly

Justin Walker

Character: Lance Kipple

Christine Lakin

Character: Macy

Shelley Duvall

Character: Mrs. Stein

Judge Reinhold

Character: Mr. Stein

Richard Moll

Character: Mr. O'Reilly

Christian Payne

Character: Tuttle

Charles Fleischer

Character: Mr. Stockton

Kenn Michael

Character: Jordy

Bianca Lawson

Character: Darien Stompanato

Nicole Nieth

Character: Andrea Shrelonzky

Bradley Jay Lesley

Character: Arnie

Eric Siegel

Character: Officer Scott

Richard Speight Jr.

Character: Comic Book Salesman