Boston Blackie's Chinese Venture

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

Acting

Rolfe

Mac

Officer Jim

Reiber