| Cast list | | 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 |
| | Crew list: | | Rowland V. Lee (Director) | | Sax Rohmer (Writer) | | Lloyd Corrigan (Writer) |
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