Anthony Michael Hall

Gary

Ilan Mitchell-Smith

Wyatt

Kelly LeBrock

Lisa

Bill Paxton

Chet

Suzanne Snyder

Deb

Judie Aronson

Hilly

Barbara Lang

Lucy

Ivor Barry

Henry

Ann Coyle

Carmen

Robert Downey Jr.

Ian

Robert Rusler

Max

Vernon Wells

Lord General

Britt Leach

Al

Michael Berryman

Mutant Biker

Suzy J. Kellems

Gymnast

John Kapelos

Kandy Bar Owner

Fred D. Scott

Bar Patron

Vince Townsend Jr.

Bar Patron

Chino 'Fats' Williams

Bar Patron

Jill Whitlow

Perfume Salesgirl

Theodocia Goodrich

Lingerie Saleswoman

Wallace Langham

The Weenies

Johnny Timko

The Weenies

Mikul Robins

The Weenies

Darren Harris

The Weenies

Renee Props

The Weenies

Michael Cramer

The Weenies

D'Mitch Davis

Bartender

Mary Steelsmith

Girl in Bathroom

Robin Frohman

Girl in Bathroom

Alison Carole Lowe

Girl in Upside Down Bathroom

Kym Malin

Girl Playing Piano

Jennifer Balgobin

Biker Girl

Jeff Jensen

Metal Face

Prince Hughes

Party Guest

Rick LeFevour

Policeman

Rock A. Walker

Policeman

Joe Gieb

Blob Operator

Kevin Thompson

Blob Operator

Doug MacHugh

Wyatt's Father

Pamela Gordon

Wyatt's Mother

Steve James

Guy at Table (uncredited)

Todd Hoffman

The Weenies

Bill Baker

Gym Class Student (uncredited)