0
355 min
In attempting to develop a chemical which would make a person super-intelligent, Dr. Montrose fails and the subjects of his experiments metamorphose into hideous monsters who band together and prey on humans. With the police stymied, a young detective attempts to track down the leader of the group of killers, known only to have a small crimson stain in one eye.
Name | Character | Team | |
---|---|---|---|
Maurice Costello | Harold Stanley | Unowned | |
Ethel Grandin | Florence Montrose | Unowned | |
Thomas J. McGrane | Dr. Burton Montrose | Unowned | |
Olga Olonova | Vanya Tosca | Unowned | |
William Cavanaugh | Doctor's Assistant | Unowned | |
John A. Milton | Layton Parrish (as John Milton) | Unowned | |
N.J. Thompson | Jim Tanner | Unowned | |
Eugene Strong | Robert Clayton | Unowned | |
Lorna Volare | Little girl | Unowned |