The Mysterious Monsters
⭐ 6.2/10 1976 86 min EN
Documentary Horror Fantasy
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Peter Graves
as Himself - Narrator
Peter Hurkos
as Himself
William Stenberg
as Himself
Sidney Walter
as Himself (as Dr. Sidney Walter)
Jerilou Whelchel
as Herself
Roger Patterson
as Archive Footage
Peter C. Byrne
as Self
Grover Krantz
as Self
