A college professor acquires a newly discovered specimen of a prehistoric fish. While examining the find he is accidentally exposed to it's blood, turning him into a murderous Neanderthal.
Joanna Moore | Madeline Howard | |
Judson Pratt | Lt. Mike Stevens | |
Nancy Walters | Sylvia Lockwood | |
Troy Donahue | Jimmy Flanders | |
Helen Westcott | Nurse Molly Riordan | |
Alexander Lockwood | Prof. Gilbert Howard |
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