Weird Science

Robert Downey Jr.

Ian

John Kapelos

Kandy Bar Owner

Vernon Wells

Lord General

Kevin Thompson

Blob Operator

Wallace Langham

The Weenies

Mikul Robins

The Weenies

Bill Paxton

Chet

Jeff Jensen

-

Judie Aronson

Hilly

Luca Kouimelis

-

Chino 'Fats' Williams

Bar Patron

Michael Berryman

Mutant Biker

Robert Rusler

Max

Rick LeFevour

-

Ivor Barry

Henry

Pamela Gordon

Wyatt's Mother

Vince Townsend Jr.

Bar Patron

John Hughes

-

Doug MacHugh

Wyatt's Father

Anthony Michael Hall

Gary

Jennifer Balgobin

Biker Girl

Suzanne Snyder

Deb

Steve James

Guy at Table (uncredited)

Britt Leach

Al

Michael Cramer

The Weenies

Prince Hughes

Party Guest

Todd Hoffman

The Weenies

D'Mitch Davis

Bartender

Darren Harris

The Weenies

Joe Gieb

Blob Operator

Rock A. Walker

-

Jill Whitlow

Perfume Salesgirl

Ilan Mitchell-Smith

Wyatt

Kelly LeBrock

Lisa

Barbara Lang

Lucy

Ann Coyle

Carmen

Suzy J. Kellems

Gymnast

Fred D. Scott

Bar Patron

Theodocia Goodrich

Lingerie Saleswoman

Johnny Timko

The Weenies

Renee Props

The Weenies

Mary Steelsmith

Girl in Bathroom

Robin Frohman

Girl in Bathroom

Alison Carole Lowe

Girl in Upside Down Bathroom

Kym Malin

Girl Playing Piano

Michael K. Washko

Mall Shopper (uncredited)