- Edmund Lowe
- T.N. Thompson / Mr. Dynamite
- Jean Dixon
- Lynn Marlo
- Victor Varconi
- Jarl Dvorjak
- Esther Ralston
- Charmian Dvorjak
- Verna Hillie
- Mona Lewis
- Minor Watson
- Clark Lewis
- Robert Gleckler
- James V. King - Chief of Detectives
- Jameson Thomas
- Carey Williams
- Greta Meyer
- Jans
- Frank Lyman
- D.H. Matthews
- G. Pat Collins
- Rod
- Bradley Page
- Felix
- James P. Burtis
- Joe
- Matt McHugh
- Sunshine
- Augusta Andrews
- Mrs. Hollaner
- Ed Berger
- Cashier
- Jack Cheatham
- Detective
- Joyce Compton
- Check Room Girl
- Ann Darcy
- Phone Girl
- Anne Darling
- Giggly Girl
- Curley Dresden
- Detective
- Earl Eby
- Interne
- Dick Elliott
- Buck
- Knute Erickson
- Theater Manager
- Sam Flint
- Mr. Hollaner
- Grace Goodall
- Dowager
- Huntley Gordon
- Croupier
- Jack Hatfield
- Interne
- Grace Hayle
- Dowager
- Al Hill
- Casino Attendant
- Olaf Hytten
- Police Chemist
- Hans Joby
- Detective
- Nenette Lafayette
- Marie - French Maid
- Connie Lamont
- Giggly Girl
- Monte Montague
- Cop
- Ferdinand Munier
- Blackjack Player
- Lee Phelps
- Cop
- Joseph Remington
- Conductor
- Don Roberts
- Detective
- Matty Roubert
- Newsboy
- Gay Seabrook
- Goose Pimples Girl
- Harry Semels
- Gambler
- Lee Shumway
- Detective
- Lillian Smith
- Check Room Girl
- Billy Sullivan
- Cop
- Richard Tucker
- Doctor
- Harry Tyler
- Safecracker
- Mary Wallace
- Autograph Girl
- Billy West
- Chauffeur
- Eric Wilton
- Quincy
