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.
Arthur Franz | Donald Blake |
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 |
Whit Bissell | Dr. Oliver Cole |
Ross Elliott | Sgt. Eddie Daniels |
Phil Harvey | Sgt. Powell |
Hank Patterson | Townsend - Night Watchman |
Richard H. Cutting | Tom Edwards - Forest Ranger |