Zaat (1971)

Director: Don Barton
Cast: Dave Dickerson, Gerald Cruse, Marshall Grauer, Nancy Lien, Paul Galloway, Rich Valliere, Sanna Ringhaver, Wade Popwell

Synopsis:

A mad scientist unleashes his master plan: to transform himself into a mutated walking catfish, and gain revenge on those who have spurned him. His plans go wrong, and he becomes tempted to kidnap a nubile young woman to similarly transform her so that he can breed.