as Dr. T.S. Clitterhouse

as Jo Keller

as 'Rocks' Valentine

as Okay

as Police Inspector Lewis Lane

as Nurse Randolph

as Judge

as Mr. Monroe, Prosecuting Attorney

as Grant

as Tug

as Radio Announcer (voice) (uncredited)

as Millie - Mrs. Updyke's Maid (uncredited)

as Butch

as Popus

as Pat

as Rabbit

as Candy

as Lt. Johnson

as Foreman of Jury

as Guest (uncredited)

as Gambler in Room 920 (uncredited)

as Captain MacLevy (uncredited)

as Police Chemist (uncredited)

as Spectator at Robbery (uncredited)

as Mrs. Frederick R. Updyke (uncredited)

as Roberts - Updyke's Butler (uncredited)

as Alarm Company Clerk (uncredited)

as Nurse Conner (uncredited)

as Courtroom Spectator (uncredited)

as Detective Getting Rocks' Fingerprints (uncredited)

as Policeman (uncredited)

as Pedestrian at Burglary Site (uncredited)

as Surgeon (uncredited)

as Fingerprint Expert (uncredited)

as Gambler (uncredited)

as Police Sergeant (uncredited)

as Mrs. Updyke's Watchman (uncredited)

as Mrs. Ganswoort - Patient (uncredited)

as Alarm Company Operator (uncredited)

as Inspector Connors (uncredited)

as Gambler (uncredited)

as Juror (uncredited)

as Sequin Hotel Desk Clerk (uncredited)

as Bailiff (uncredited)

as Guest (uncredited)

as Second Detective (uncredited)

as Policeman (uncredited)

as Professor O.J. Ludwig (uncredited)

as Third Detective (uncredited)

as Updyke's Guest (uncredited)

as Dr. Ames (uncredited)

as Guest (uncredited)

as Patient (uncredited)

as Mrs. Jefferson - Jo's Maid (uncredited)

as Forensic (uncredited)

as First Detective - with Earphones (uncredited)

as Patricia (uncredited)

as Juror (uncredited)

as Guest (uncredited)