A college paleontology professor acquires a newly discovered specimen of a coelecanth, but while examining it, he is accidentally exposed to its blood, and finds himself periodically turning into a murderous Neanderthal man.

Cast:Arthur Franz, Joanna Moore, Judson Pratt, Troy Donahue, Nancy Walters, Helen Westcott,

Genre:Horror, Science Fiction,

country:United States of America,

Production:Universal International Pictures,