- Jean Arthur
- Claire Peyton
- Joel McCrea
- George Melville
- Reginald Owen
- Blackton Gregory
- Thomas Mitchell
- Phil Bane
- Victor Kilian
- Mark Gibbs
- John Gallaudet
- McGuire
- Emmett Vogan
- Lorimer
- George Cooper
- Duncan
- Herman Bing
- Otto
- Robert Warwick
- Phillip
- Louise Bates
- Woman Outside Crime Scene
- William 'Billy' Benedict
- Office Boy
- Mary Blake
- Undetermined Role
- Wade Boteler
- Police Sergeant
- Romaine Callender
- Old Taxi Driver
- Wallis Clark
- City Editor
- Dora Clement
- Nurse Katie - Actress in Play
- Clyde Courtright
- Doorman at Beauty Parlor
- Mary Lou Dix
- Young Attendant
- Edward Earle
- Jef - Henchman
- John Eldredge
- Tommy - Actor in Play
- Robert Fiske
- Dario - Henchman
- Bess Flowers
- Miss Arnold - Beauty Salon Attendant
- Jack Gardner
- Reporter
- George Ghermanoff
- Henchman
- Jesse Graves
- Waiter at Otto's Pool Hall
- John Hamilton
- Chief of G-Men
- Arthur Stuart Hull
- First Nighter
- Sheldon Jett
- Newspaper Office Worker
- Richard Kipling
- Army Officer in Play
- Mike Lally
- Reporter
- Eddie Laughton
- Reporter
- Raymond Lawrence
- First Butler
- Ralph Malone
- Reporter
- Frank Mayo
- G-Man
- Bert Moorhouse
- Jim - G-Man
- Clive Morgan
- Henchman
- Horace Murphy
- Night Watchman
- Wedgwood Nowell
- Henchman on Telephone
- Barnett Parker
- John - Gregory's Butler
- Edward Peil Sr.
- Police Broadcaster in Montage
- Lee Prather
- Foreman of Press Room
- Arthur Rankin
- Blackton's Secretary
- Dick Rush
- Policeman
- Tom Seymour
- Absent-Minded Man
- Charles Sherlock
- Newspaper Man
- Reginald Simpson
- Undetermined Role
- Mary Jane Temple
- Undetermined Role
- Emerson Treacy
- Injured Soldier in Play
- John Tyrrell
- Reporter
- Theodore von Eltz
- John Ridley - Henchman
- Robert Walker
- G-Man
- Fred Whalen
- Pool Table Racker
- Lloyd Whitlock
- Henchman