At her Chinese father's bidding, a woman goes to murder an enemy and meets a Scotland Yard detective.
Frances Dade
as Joan Marshall
Sessue Hayakawa
as Ah Kee
Anna May Wong
as Ling Moy
Bramwell Fletcher
as Ronald Petrie
Holmes Herbert
as Sir John Petrie
Lawrence Grant
as Sir Basil Courtney
Warner Oland
as Fu Manchu
Harold Minjir
as Rogers
Nicholas Soussanin
as Morloff
E. Alyn Warren
as Lu Chung
Oie Chan
as Amah (uncredited)
Wong Chung
as Henchman (uncredited)
