- Hilda Arkoff, his wife of 55 years, passed away in July 2001. Samuel Z. Arkoff passed away less than two months later.
- Explained his "ARKOFF Formula" for making a successful movie, during a 1980s television appearance: A good movie should include Action (excitement and drama), Revolution (controversial or revolutionary ideas), Killing (a degree of violence), Oratory (memorable speeches and dialogue), Fantasy (popular dreams and wishes acted out), and Fornication (sex appeal, to both sides).
- Father of Lou Arkoff and Donna Roth.
- Father-in-law of Joe Roth.
- He was a lawyer. He attended and graduated from Loyola Law School in Los Angeles, California (1948).
- Interviewed in "Interviews with B Science Fiction and Horror Movie Makers: Writers, Producers, Directors, Actors, Moguls and Makeup" by Tom Weaver (McFarland 1988).
- Samuel Z. Arkoff said that they would start with a title, once they got one that they liked. They would do the artwork then write the screenplay and finally make the movie.
- Following his death, he was interred at Mount Sinai Memorial Park Cemetery in Los Angeles, California.
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