- Gordon Hart - Doctor Attending O'Malley
- Mary Gordon - Mrs. O'Malley
- Mabel Colcord - Mrs. Flaherty
- Frank Sheridan - Father Patrick
- Lillian Harmer - Miss Taylor
- Delmar Watson - Tubby
- Frank Reicher - Dr. Larson
- Joseph Allen Sr. - Warden (uncredited)
- Granville Bates - Jake - Bar Proprietor (uncredited)
- Georgie Billings - (uncredited)
- Basil Bookasta - Bootblack (uncredited)
- George Bookasta - Bootblack (uncredited)
- Egon Brecher - Morris - the Pawnbroker (uncredited)
- Tom Brower - Police Sergeant (uncredited)
- Raymond Brown - Timekeeper and Factory Owner (uncredited)
- Sonny Bupp - Boy with Lollipop (uncredited)
- John Butler - Prosecuting Attorney (uncredited)
- Bobby Callahan - Boy (uncredited)
- Glen Cavender - Policeman at Robbery (uncredited)
- Ralph Dunn - Police Stenographer in Hospital (uncredited)
- Earl Dwire - First Judge (uncredited)
- Jim Farley - Jones - Desk Sergeant (uncredited)
- Stanley Fields - Convict at Lathe (uncredited)
- Edward Gargan - Policeman Driving Radio Car (uncredited)
- Chuck Hamilton - Policeman (uncredited)
- Robert Homans - Policeman Jim Dugan (uncredited)
- George Humbert - Junkman (uncredited)
- Payne B. Johnson - Boy on Street (uncredited)
- Milton Kibbee - Court Stenographer (uncredited)
- Leonard Kibrick - Newsboy (uncredited)
- Sidney Kibrick - Street Kid (uncredited)
- Jerry Mandy - Italian Umbrella Salesman (uncredited)
- Arthur Millett - Detective Bringing Phillips to Hospital (uncredited)
- Jack Mower - Detective Bringing Phillips to Hospital (uncredited)
- William J. O'Brien - Man Whistling in Hospital Zone (uncredited)
- Paul Panzer - Man on Stairs (uncredited)
- Bob Perry - Man Getting Shoeshine (uncredited)
- Thomas Pogue - Judge Evers (uncredited)
- Adrian Rosley - Nick - the Tailor (uncredited)
- Francesca Rotoli - Nurse (uncredited)
- Cliff Saum - Policeman at Robbery (uncredited)
- John Sheehan - Policeman in Radio Car (uncredited)
- Myrtle Stedman - Nurse (uncredited)
- Perc Teeple - Motorist (uncredited)
- Max Wagner - School Bus Driver (uncredited)
- Bobs Watson - Boy (uncredited)
- Huey White - Convict Carrying Pipe (uncredited)
- Leo White - Ben - The Hot Dog Vendor (uncredited)
- Lottie Williams - Nurse in Hospital (uncredited)
- Charles C. Wilson - Policeman Chiding School Bus Driver (uncredited)
- Armand 'Curly' Wright - Vegetable Peddler (uncredited)
- William Dieterle
- Tom Reed
- Milton Krims
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