Cast
- Warner Oland as Dr. Fu Manchu
- O.P. Heggie as Inspector Nayland Smith
- Jean Arthur as Lia Eltham
- Neil Hamilton as Dr. Jack Petrie
- Evelyn Hall as Lady Agatha Bartley
- William Austin as Sylvester Wadsworth
- Margaret Fealy as Lady Helen Bartley
- Shayle Gardner as Detective Harding
- Evelyn Selbie as Fai Lu
- Ambrose Barker as Camden, the Reporter
Crew
- Sax Rohmer · Writer
- Lloyd Corrigan · Writer
- Florence Ryerson · Writer
- Rowland V. Lee · Producer
- Archie Stout · Cinematographer