A wealthy society doctor decides to research the medical aspects of criminal behaviour by becoming one himself. He joins a gang of thieves and proceeds to wrest leadership of the gang away from its extremely resentful leader.
Edward G. Robinson
as Dr. T.S. Clitterhouse
Claire Trevor
as Jo Keller
Humphrey Bogart
as 'Rocks' Valentine
Allen Jenkins
as Okay
Donald Crisp
as Police Inspector Lewis Lane
Gale Page
as Nurse Randolph
Henry O'Neill
as Judge
John Litel
as Mr. Monroe, Prosecuting Attorney
Thurston Hall
as Grant
Ward Bond
as Tug
Ronald Reagan
as Radio Announcer (voice) (uncredited)
Mary Field
as Millie - Mrs. Updyke's Maid (uncredited)
