Douglas Quaid

Arnold Schwarzenegger

Melina

Rachel Ticotin

Lori

Sharon Stone

Vilos Cohaagen

Ronny Cox

Richter

Michael Ironside

George/Kuato

Marshall Bell

Benny

Mel Johnson Jr.

Helm

Michael Champion

Bob McClane

Ray Baker

Dr. Edgemar

Roy Brocksmith

Dr. Lull

Rosemary Dunsmore

Ernie

David Knell

Fat lady

Priscilla Allen

Tiffany

Alexia Robinson

Tony

Dean Norris

Bartender

Mark Carlton

Thumbelina

Debbie Lee Carrington

Mary

Lycia Naff

Harry

Robert Costanzo

Stevens

Michael LaGuardia

Pricilla Allen

Immigration Officer

Ken Strausbaugh

Everett

Marc Alaimo

Rebel Lieutenant

Michael Gregory

Ken Gilden

Hotel Clerk

Ken Gildin

Burly Miner

Mickey Jones

Martian Husband

Parker Whitman

Martian Wife

Ellen Gollas

Johnnycab

Robert Picardo

Woman in Phone Booth

Gloria Dorson

Erika Carlson

Miss Lonelyhearts

Erika Carlsson

Punk Cabbie

Benny Corral

Doctor

Bob Tzudiker

Lab Assistant

Erik Cord

Technician

Frank Kopyc

Newscaster

Paula McClure

Scientist

Chuck Sloan

Scientist

Dave Nicolson

Reporter

Rebecca Ruth

Commercial Announcer

Milt Tarver

Agent

Roger Cudney

Mutant Mother

Monica Steuer

Mutant Child

Sasha Rionda

Tennis Pro

Linda Howell

Mel Jr. Johnson

Additional Voices (voice)

Kamala Lopez

Additional Voices (voice)

Morgan Lofting

Additional Voices (voice)

Patti Attar

Additional Voices (voice)

Bob Bergen

Additional Voices

Karlyn Michelson

Additional Voices

Joe Unger

Paul Johansson

Sharon Kane

Paul Verhoeven

Anne Lockhart