- Dödsmaskinen
- Feltámad a vadnyugat
- Il mondo dei robot
- Mondwest
- O Mundo do Oeste
- O epanastatis tis nyhtas
- Oestelandia
- Olum Ha-Ma'arav
- Tappokone
- Westworld
- Westworld - Onde Ninguém Tem Alma
- Westworld, almas de metal
- Zapadni svet
- Michael Crichton
- Michael Crichton
- Yul Brynner ... Gunslinger
- Richard Benjamin ... Peter Martin
- James Brolin ... John Blane
- Norman Bartold ... Medieval Knight
- Alan Oppenheimer ... Chief Supervisor
- Victoria Shaw ... Medieval Queen
- Dick Van Patten ... Banker
- Linda Gaye Scott ... Arlette
- Steve Franken ... Technician
- Michael T. Mikler ... Black Knight (as Michael Mikler)
- Terry Wilson ... Sheriff
- Majel Barrett ... Miss Carrie
- Anne Randall ... Servant Girl
- Julie Marcus ... Girl in Dungeon
- Sharyn Wynters ... Apache Girl
- Anne Bellamy ... Middle Aged Woman
- Chris Holter ... Stewardess
- Charles Seel ... Bellhop
- Wade Crosby ... Bartender
- Nora Marlowe ... Hostess
- Lin Henson ... Ticket Girl
- Orville Sherman ... Supervisor
- C. Lindsay Workman ... Supervisor
- Lauren Gilbert ... Supervisor
- Davis Roberts ... Supervisor
- Howard Platt ... Supervisor
- Richard Roat ... Technician
- Kenneth Washington ... Technician
- Jared Martin ... Technician
- Robert Patten ... Technician
- David M. Frank ... Technician (as David Frank)
- Kip King ... Technician
- David Man ... Technician
- Larry Delaney ... Technician
- Will J. White ... Workman
- Ben Young ... Workman
- Tom Falk ... Workman
- Barry Cahill ... Third Male Interview
- Robert Hogan ... Interviewer of Delos Guests
- Robert Nichols ... First Male Interview
- Ty Randolph ... Girl in Saloon
- Leoda Richards ... White-Haired Woman on Elevator
- Paul Sorensen ... Second Male Interview
