Greydon Clark is an American film writer, 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 movie Stargames, starring Tony Curtis.
Between 1969 and 1989, Clark acted in a series of action/horror films, including Satan's Sadists, Hell's Bloody Devils and Dracula vs. Frankenstein. Beginning in 1975, he wrote and directed a series of films, including Black Shampoo, The Bad Bunch, Satan's Cheerleaders, Hi-Riders, Angels' Brigade, Uninvited, Dance Macbre, Skinheads, Dark Future and Stargames. In 1980, Clark directed The Return, featuring Jan-Michael Vincent, Cybill Shepherd, and Martin Landau.
In 2013, Clark wrote his autobiography, On the Cheap: My Life in Low Budget Filmmaking