The Alien Dead is a 1980 American horror film directed by Fred Olen Ray.
 Ray co-wrote the script with Martin Nicholas.
Bikini Cavegirl (also known as Teenage Cavegirl) is a softcore pornographic film made by Fred Olen Ray under the pseudonyms "Nicholas Medina" and "Sherman Scott".
 It has been described as "a sexy makeover", but not a remake, of Ray's earlier film, "Dinosaur Island".
 It was released directly to video in 2004 under the title "Teenage Cavegirl", and is shown on cable as "Bikini Cavegirl".
Bradford Swain Linaweaver (born September 1, 1952) is an American science fiction writer.
 Linaweaver has original story credits on a number of films, including "The Brain Leeches" and "Jack-O" for Fred Olen Ray.
 He also has story credits in "The Boneyard Collection" and "Space Babes Meet the Monsters".
Jacques Becker (] ; 15 September 1906 – 21 February 1960) was a French screenwriter and film director.
Demented Death Farm Massacre is a 1971 horror film directed by Fred Olen Ray and Donn Davison and features screen legend John Carradine as 'The Judge of Hell', who narrates the story.
Biohazard is a 1985 science-fiction horror film directed by Fred Olen Ray and starring Aldo Ray and Angelique Pettyjohn.
Billy Frankenstein is a 1998 horror-comedy movie directed by Fred Olen Ray and written by his wife Kim Ray.
Mark Thomas McGee (born 1947) is an American actor, writer and director.
 He has written a number of screenplays, most notably for Fred Olen Ray.
 He also wrote the cult classic "Equinox" (1970) when only a teenager.
Fred Olen Ray (born September 10, 1954) is an American film director, producer, screenwriter, actor, and cinematographer.
The Brain Leeches is a 1978 sci-fi film directed by Fred Olen Ray and starring Paul Jones, Marcia Scott & Ray Starr.

Question: Which of these screen writer/film directors was also an actor: Jacques Becker or Fred Olen Ray?
Answer: Fred Olen Ray