Greydon Clark (born February 7, 1943) is an American screenwriter, director, producer, and actor. His career spans several decades and genres, although the majority of his work has been low-budget productions in the action/horror genres. His most recent work was writing and directing the 1998 science fiction film Stargames (also seen written as
Star Games), in which he was also featured. Between 1969 and 1989, Clark acted in a series of action/horror films, including
Satan's Sadists,
The Mighty Gorga,
Hell's Bloody Devils,
Dracula vs. Frankenstein, and
Psychic Killer. Beginning in 1973, he wrote and directed a series of films, including
The Bad Bunch (in which he also starred),
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