Overview
A college paleontology professor acquires a newly discovered specimen of a coelacanth, but while examining it, he is accidentally exposed to its blood, and finds himself periodically turning into a murderous Neanderthal man.
Cast & Crew
Director: Jack Arnold
Cast: Arthur Franz, Joanna Moore, Judson Pratt, Troy Donahue, Nancy Walters, Helen Westcott, Ross Elliott, Alexander Lockwood, Whit Bissell, Richard H. Cutting, Hank Patterson, Phil Harvey
