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
Anthony Quinn
Mike Gordon
Bernadene Hayes
Dolly Warren
Roscoe Karns
Rep Harrigan
Richard Denning
Interne
Archie Twitchell
2nd Interne
George Magrill
2nd Gangster
Charles Trowbridge
Dr. Jones
Chester Gan
Mr. Foo
Guy Usher
Investigator
Ray Mayer
Potatoes
Edward Marr
Bert, fight trainer
George Anderson
Detective
Charles B. Wood
1st Gangster
Lily King
Chinese Woman
Wong Chong
Chinese Man
Pat West
Announcer at Fight
Raoul Freeman
Detective (uncredited)
