Arnold Schwarzenegger (Doug Quaid)
Rachel Ticotin (Melina)
Sharon Stone (Lori Quaid)
Ronny Cox (Vilas Cohaagen)
Michael Ironside (Richter)
Ken Strausbaugh (Immigration Officer)
Sasha Rionda (Mutant Child)
Robert Picardo (Johnnycab)
Dean Norris (Tony)
Dave Nicolson (Scientist)
Lycia Naff (Mary)
Paula McClure (Newscaster)
Kamala Lopez
Alexia Robinson (Tiffany)
Rebecca Ruth (Reporter)
Chuck Sloan (Scientist)
Monica Steuer (Mutant Mother)
Milt Tarver (Commercial Announcer)
Bob Tzudiker (Doctor)
Joe Unger
Parker Whitman (Martian Husband)
Morgan Lofting
Anne Lockhart
Michael LaGuardia (Stevens)
Frank Kopyc (Technician)
Ray Baker (McClane)
Erika Carlson (Miss Lonelyhearts)
Mark Carlton (Bartender)
Debbie Lee Carrington (Thumbelina)
Erik Cord (Lab Assistant)
Benny Corral (Punk Cabbie)
Robert Costanzo (Harry)
Roger Cudney (Agent)
Gloria Dorson (Woman in Phone Booth)
Marc Alaimo (Everett)
Ken Gilden (Hotel Clerk)
Ellen Gollas (Martian Wife)
Michael Gregory (Rebel Lieutenant)
David Knell (Ernie)
Linda Howell (Tennis Pro)
Mickey Jones (Burly Miner)
Rosemary Dunsmore (Dr. Lull)
Pricilla Allen (Fat Lady)
Marshall Bell (George/Kuato)
Mel Johnson, Jr. (Benny)
Michael Champion (Helm)
Roy Brocksmith (Dr. Edgemar)