Two actors who play detectives on the radio find themselves investigating a real crime masterminded by an arch-criminal named the Cobra.
Wally Brown
Jerry Miles
Alan Carney
Mike Strager
Anne Jeffreys
Ellen Brent
Lionel Atwill
Latimer Marsh / The Cobra
Bela Lugosi
Stone
Marc Cramer
Lt. Rick Campbell
Ralph Dunn
Lt. Gilley
Billy White
Newsboy (uncredited)
