Jack Palance (1919-2006) was an American motion picture star who appeared in films such as Shane, Batman (with Jack Nicholson), City Slickers (for which he won an Oscar), Tango & Cash and God's Gun (with Lee Van Cleef).
He is referenced in Experiment 420 The Human Duplicators as there is an actor in the film that resembles him.
- Outlaw (Experiment #519) - as Xenos
- Angels Revenge (Experiment #622) - as Mike Farrell
- Hawk the Slayer (RiffTrax) - as Voltan
- The Shape of Things to Come (RiffTrax) - as Omus