They Came from the Swamp: The Films of William Grefé
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William GreféHimself- Steve AlaimoHimself
John Davis ChandlerHimself- Gary CrutcherHimself
Frank HenenlotterHimself- David F. FriedmanHimself
William ShatnerHimself (voice only)- Melanie GreféHerself
- Doris BernhardtHerself
Herschell Gordon LewisHimself
Fred Olen RayHimself
Chris RobinsonHimself- Doug HobartHimself
- Bill MarcusHimself
- Chris Poggiali