Gary Foss Graver (July 20, 1938 – November 16, 2006) was an American film director, editor, screenwriter and cinematographer. He was a prolific filmmaker, working in various roles on over 300 films, but is best known as Orson Welles' final cinematographer, working over a period of six years on Welles' epic film The Other Side of the Wind which was released in 2018, 48 years after it was started.

Graver began his career in the late 1960s as a cinematographer and editor of various B-movies, including several films by Roger Corman, before providing additional camerawork on John Cassavetes's A Woman Under the Influence (1974). He continued to serve as the cinematographer of numerous horror films from the late 1970s and through the 1980s, including The Toolbox Murders (1978), Trick or Treats (1982), which he also wrote, edited, and directed; Mortuary (1983), They're Playing with Fire (1984), and Twisted Nightmare (1988).

Under the pseudonym of Robert McCallum, Graver was also a prolific director of adult films, working as a cinematographer and director on 135 features.

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