- Allan Lane
- Steve Kendall
- Linda Hayes
- Nedra Carlson
- Robert Barrat
- Tio / Edwards
- Charley Foy
- Studs
- Lionel Royce
- Second Lieutenant
- J. Farrell MacDonald
- Captain of the Falcon
- Lester Matthews
- Gair - Henchman
- Henry Brandon
- Carlson - Crewman
- Wilhelm von Brincken
- Second-Mate Wilson
- Solly Ward
- Dr. Fromm
- Rudolph Anders
- Machine Gunner
- Charles Drake
- Police Guard
- Dwight Frye
- Lt. Keller
- Al Herman
- Joe the Bartender
- John Laing
- Inspector's Aide
- George Magrill
- Policeman in Radio Room
- Frank Puglia
- Police Capt. Luther
- Fred Rapport
- Waiter
