A mad doctor uses patients at his isolated psychiatric institute as subjects in his attempts to create longevity by surgically installing an artificial gland in their skulls.
John Carradine
Dr. Charles Conway
Myron Healey
Mark Houston
Allison Hayes
Grace Thomas
Marilyn Buferd
Dr. Sharon Gilchrist
Tor Johnson
Lobo
Arthur Batanides
Danny Green
Sally Todd
Natalie Andries
Harry Fleer
Harry Jedrow
