출연진
Anna May Wong
Dr. Mary Ling
Akim Tamiroff
Frank Baturin
J. Carrol Naish
The Professor
Sidney Toler
Dr. Chang Ling
Philip Ahn
Robert 'Bob' Li
안소니 퀸
Mike Gordon
Bernadene Hayes
Dolly Warren
Roscoe Karns
Rep Harrigan
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
Chester Gan
Mr. Foo
Pat West
Announcer at Fight
Guy Usher
Investigator
Raoul Freeman
Detective (uncredited)
Eddie Marr
Henchman Bert