Insurance agent-physician collects on policies of men murdered by a disfigured resident of the home for the blind where he acts as doctor-on-call.

A stern Russian woman sent to Paris on official business finds herself attracted to a man who represents everything she is supposed to detest.

A brilliant but deranged neurosurgeon becomes obsessively fixated on a judge’s daughter who in no way wants him. With the help of an escaped criminal whose face he has surgically…

A scientist is turned into an ape man.

Two actors who play detectives on the radio find themselves investigating a real crime masterminded by an arch-criminal named the Cobra.

University professor George Kingsley is struck by gangsters while crossing the street, leaving him with brain damage and one of the gangsters, Cannon, paralyzed. Kingsley’s friend Dr. Sovac attends to…

Dr. Janos Rukh discovers a certain type of radium that has almost magical healing properties. But the element has a dangerous side, too, and it has already started affecting Rukh….