
William Grefé (born 1930) is an American writer and director of films, best known for his work in the exploitation field. For most of his career, he has worked in Florida. He also worked for several years with Ivan Tors.
In 2009 a documentary was released about his work called From the Swamp: The Films of William Grefe. In 2020 a four-disc Blu-ray collection He Came from the Swamp: The William Grefé Collection will be released by Arrow Video.

Cool As Hell 2
2017 · as Dad

Dark Universe
1993 · as Old Tom Hanning

Underwood
2019 · as Al

A Cask of Amontillado
2013 · as Himself

They Came from the Swamp: The Films of William Grefé
2016 · as Himself

Biohazard: The Alien Force
1994 · as Mr. Babb

Naked World
2020

Bikini Swamp Girl Massacre
2014 · as Uncle Bill

Blood, Guts and Sunshine: The History of Horror Made in Florida
2021 · as Self

Dark Side of Eden
2008 · as Self

It Was a Colossal Teenage Movie Machine: The AIP Story
2015 · as Himself