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.
Starring:
Arthur Franz (Donald Blake) Joanna Moore (Madeline Howard) Judson Pratt (Lt. Mike Stevens) Troy Donahue (Jimmy Flanders) Nancy Walters (Sylvia Lockwood) Helen Westcott (Nurse Molly Riordan) Ross Elliott (Sgt. Eddie Daniels) Alexander Lockwood (Prof. Gilbert Howard) Whit Bissell (Dr. Oliver Cole) Richard H. Cutting (Tom Edwards - Forest Ranger)Director:
Jack ArnoldWriter:
David DuncanChoose the available date.