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
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
Hank Patterson
Townsend - Night Watchman
Phil Harvey
Sgt. Powell
Eddie Parker
Donald as a Monster
Ronnie Rondell Jr.
Student
Anne Anderson
Student
