- Mary Brian
- Mary Vernon
- John Darrow
- Larry Sturgis
- Yola d'Avril
- Madelon
- Astrid Allwyn
- Blondie Roberts
- George 'Gabby' Hayes
- Inspector Nick Gunby
- Kate Campbell
- Aunt Emma
- Robert Frazer
- Jim Daggett
- Carl Stockdale
- Charles Brandon
- George Cleveland
- Croupier
- Billie Van Every
- Mazie
- Eddie Baker
- Motor Patrolman
- George Byron
- Detective
- Yakima Canutt
- Casino Hood
- Jack Cheatham
- Detective on Train
- Jack Chefe
- U.S. Gambling Club Bouncer
- André Cheron
- Madelon's Uncle
- Gino Corrado
- Monte Carlo Casino Gambler
- Richard Cramer
- Detective
- Jack Curtis
- Butch Meeker
- Henry Da Silva
- Casino Employee
- Chester Gan
- Larry's Valet
- Parker Gee
- U.S. Gambling Club Gambler
- Julia Griffith
- Monte Carlo Casino Gambler
- Henry Hall
- Monte Carlo Casino Gambler
- Edward Hearn
- Detective
- Philip Kieffer
- French Gendarme
- Carl M. Leviness
- U.S. Gambling Club Gambler
- Tom London
- Blondie's Brother
- Theodore Lorch
- Gambler
- Alphonse Martell
- Waiter
- Eric Mayne
- Monte Carlo Casino Gambler
- Bruce Mitchell
- Police Station Clerk
- Perry Murdock
- Gambling Club Bodyguard
- Victor Noblisky
- Gambler
- Alex Novinsky
- Gambler
- Albert Pollet
- Monte Carlo Casino Croupier
- Loretta Russell
- Monte Carlo Casino Gambler
- Robert Walker
- Detective
