Fu Manchu
Nayland Smith
Dr. Petrie (as Howard Marion Crawford)
Carl Jansen
Ursula Wagner
Sancho Lopez
Celeste
Carmen
Lin Tang
Yuma
Black Widow
of The Governor andothers (voice)
of Jansen and Lopez and others (voice)
The Governor (uncredited)
Inspector Ahmet (uncredited)
One of Fu's Girl (uncredited)
Governor's Secretary (uncredited)
Lotus (uncredited)