- Jackie Cooper
- Freddie
- Joseph Calleia
- Joe
- Rin Tin Tin Jr.
- Duke
- Harvey Stephens
- Chief Davison
- Jean Hersholt
- Doctor
- Edward Pawley
- Tony
- Mischa Auer
- Chi
- Robert Warwick
- Vincent
- Lewis Stone
- Davis
- Victor Adams
- Gangster
- Erville Alderson
- Man in Ford
- Brooks Benedict
- G-Man
- Hal Craig
- Trooper Murphy
- Jack Daley
- Finley
- Billy Dooley
- Gas Station Attendant
- Dwight Frye
- Mack
- William Gould
- Police Dispatcher #4
- Eddie Hart
- Police Dispatcher #2
- Russell Hicks
- Corbin
- Max Hoffman Jr.
- Pete Jensen
- Arthur Housman
- Percy Waring
- John Kelly
- Trooper Rooney
- Charles King
- Observer
- Frank LaRue
- G-Man Office Clerk
- Robert Livingston
- (uncredited)
- George Lynn
- Patrolman
- George Magrill
- G-Man
- Wally Maher
- Shorty
- Allen Mathews
- G-Man
- Edward McWade
- Elderly Witness
- Ivan Miller
- Wilson
- Joan Miller
- Woman
- Roger Moore
- G-Man
- Sue Moore
- Mrs. 'Toots' Waring
- Philip Morris
- G-Man
- Edward Norris
- Bud
- Charles O'Malley
- O'Brien
- Jack Rice
- Percy
- Jessie Rosenquist
- Jesse Rosenquist
- Don Rowan
- Powers
- Christian Rub
- Cap
- William Tannen
- Heming
- Harry Tenbrook
- Police Radio Dispatcher
- Harry Wilson
- Gangster
