- Jimmy Lydon
- Henry Aldrich
- Charles Smith
- Basil 'Dizzy' Stevens
- John Litel
- Mr. Sam Aldrich
- Olive Blakeney
- Mrs. Alice Aldrich
- Joan Mortimer
- Elise Towers
- Vaughan Glaser
- Thomas Bradley
- Jackie Moran
- Whit Bidecker
- Lucien Littlefield
- Mr. Quid
- George Anderson
- Olin Bidecker
- Charles Cane
- Detective Patrick Clannahan
- George M. Carleton
- Dr. Danford
- Kernan Cripps
- Detective Clannahan's Assistant
- Edgar Dearing
- Chief of Police Reedy
- Jack Gardner
- Charlie
- William Inman
- Kid
- Mike Mazurki
- The Goon
- Paul McVey
- Mr. Bellows
- Paul Phillips
- Sykes
- Dick Rush
- Police Officer
- Anita Sharp-Bolster
- Mrs. Norris
- George Sherwood
- Mr. Wright
- Ferris Taylor
- The Mayor
- Ray Walker
- Detective Beamish
