Horatio 'Boston Blackie' Black
Mei Ling
Red, the Bar-Girl
Les, the Bus Guide
Inspector William R. Farraday
The Runt
Sergeant Matthews
Pop Gerard
Bill Craddock (as Louis Van Rooten)
Wong Chung Shee
Ah Hing
Rolfe
Mac
Officer Jim
Reiber
Director
Producer
Editor
Director of Photography
Screenplay
Story
