Calificación
Reparto

Bernadene Hayes
Dolly Warren

Akim Tamiroff
Frank Baturin

Philip Ahn
Robert 'Bob' Li

J. Carrol Naish
The Professor

Anna May Wong
Dr. Mary Ling

Anthony Quinn
Mike Gordon

Roscoe Karns
Rip Harrigan

Sidney Toler
Dr. Chang Ling

Ray Mayer
Potatoes

Richard Denning
Interne

Archie Twitchell
2nd Interne

George Anderson
Detective

Charles B. Wood
1st Gangster

George Magrill
2nd Gangster

Charles Trowbridge
Dr. Jones

Lily King
Chinese Woman