- Chester Morris
- Horatio 'Boston Blackie' Black
- Janis Carter
- Dorothy Anderson
- William Wright
- Paul Martens
- Richard Lane
- Inspector Farraday
- George E. Stone
- The Runt
- Robert B. Williams
- Matt Healy
- Mark Roberts
- George Daley
- Ed Allen
- Policeman
- Kenneth Brown
- Boy
- Early Cantrell
- Margaret Dean - Switchboard Operator
- Joseph Crehan
- Jumbo Madigan
- Lew Davis
- Exhibit Attendee
- Edythe Elliott
- Mother
- Almeda Fowler
- Bit Role
- Jack Gardner
- Frank--Reporter
- Fred Graff
- Reporter
- Harrison Greene
- Arthur Manleder
- Fred Howard
- Reporter
- Dick Jensen
- Policeman
- Henry Jordan
- Reporter
- Edward Keane
- Police Commissioner Howard
- Tom Kingston
- News Photographer
- Lyle Latell
- Detective Sergeant Matthews
- Billy Lenhart
- Boy
- Anne Loos
- Newsstand Clerk
- George Magrill
- Police Guard
- Cy Malis
- Policeman
- Dorothy Malone
- Eileen Daley
- George McKay
- Police Sergeant McNulty
- Pat O'Malley
- Police Sergeant
- Constance Purdy
- Woman in Daley's Office
- Ben Taggart
- Traffic Cop
- John Tyrrell
- Austin
- Minerva Urecal
- Miss Wilkinson
- Robert Walker
- Man in Office with Mathews
- Cecil Weston
- Mother
