

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.

Dr. T.S. Clitterhouse

Jo Keller

'Rocks' Valentine

Okay

Police Inspector Lewis Lane

Nurse Randolph

Judge

Mr. Monroe, Prosecuting Attorney

Grant

Tug

Radio Announcer (voice) (uncredited)
Millie - Mrs. Updyke's Maid (uncredited)

Butch

Popus

Pat

Rabbit

Candy

Lt. Johnson

Foreman of Jury
Guest (uncredited)
Gambler in Room 920 (uncredited)

Captain MacLevy (uncredited)

Police Chemist (uncredited)
Spectator at Robbery (uncredited)

Mrs. Frederick R. Updyke (uncredited)

Roberts - Updyke's Butler (uncredited)

Alarm Company Clerk (uncredited)
Nurse Conner (uncredited)
Courtroom Spectator (uncredited)
Detective Getting Rocks' Fingerprints (uncredited)
Policeman (uncredited)

Pedestrian at Burglary Site (uncredited)

Surgeon (uncredited)
Fingerprint Expert (uncredited)
Gambler (uncredited)

Police Sergeant (uncredited)

Mrs. Updyke's Watchman (uncredited)

Mrs. Ganswoort - Patient (uncredited)

Alarm Company Operator (uncredited)

Inspector Connors (uncredited)

Gambler (uncredited)

Juror (uncredited)
Sequin Hotel Desk Clerk (uncredited)
Bailiff (uncredited)
Guest (uncredited)

Second Detective (uncredited)

Policeman (uncredited)

Professor O.J. Ludwig (uncredited)
Third Detective (uncredited)
Updyke's Guest (uncredited)
Dr. Ames (uncredited)

Guest (uncredited)

Patient (uncredited)

Mrs. Jefferson - Jo's Maid (uncredited)
Forensic (uncredited)
First Detective - with Earphones (uncredited)

Patricia (uncredited)
Juror (uncredited)

Guest (uncredited)

Director of Photography

Director

Producer
Producer
Screenplay

Original Music Composer
Art Direction
Producer

Executive Producer
Theatre Play
Editor

Executive Producer

Screenplay
Wardrobe Supervisor