Allan Lane
Steve Kendall
Robert Barrat
Tio / Edwards
Lionel Royce
Second Lieutenant
J. Farrell MacDonald
Captain of the Falcon
Charley Foy
Studs
Linda Hayes
Nedra Carlson
Lester Matthews
Gair - Henchman
Henry Brandon
Carlson - Crewman
Wilhelm von Brincken
Second-Mate Wilso
Solly Ward
Dr. Fromm