Dr. Fu Manchu
Sir Dennis Nayland Smith
Allan Parker
Fah-Lo-Suee
Dr. Flinders Petrie
Prof. Edward Randolph
Mary Randolph
Sirdar Prahni
Dr. James Parker
Prof. Ezra Howard
Loki
Prof. Anderson
Dr. Humphrey
C.W. Crawford
Ranah Sang
Blake (uncredited)
Dr. Chang (uncredited)
Dangra (uncredited)
Miss Frisbie (uncredited)
Police Sergeant (uncredited)
Fort Telegrapher (uncredited)
Dacoit on Train (uncredited)
Dacoit (uncredited)
Guard (uncredited)
Tartar (uncredited)
High Lhama (uncredited)
Solar Mirror Native (uncredited)
Pegai (uncredited)
Wax Museum Dacoit (uncredited)
Stewardess (uncredited)
Dacoit Pilot (uncredited)
Tribal Chieftain (uncredited)
Cardo (uncredited)
Railroad Fireman (uncredited)
Chinese Si Fan Member (uncredited)
Sentry (uncredited)
Si-Fan Messenger (uncredited)
Koomerow's Aide (uncredited)
Fort Gate Sentry (uncredited)
Hindu Si Fan Member (uncredited)
Cleanshaven Villainous Native (uncredited)
Wally Winchester (uncredited)
Lhama's Telegrapher (uncredited)
Temple Guard (uncredited)
Railroad Mail Car Clerk (uncredited)
Prof. Krantz (uncredited)
Nihala Tribe Chief Kandhar (uncredited)
Dacoit Looking in Window (uncredited)
Scarred Native (uncredited)
Dowlah Rao (uncredited)
Native (uncredited)
Police Lt. Corrigan (uncredited)
Tartar Si Fan Member (uncredited)
Police Lt. Wade (uncredited)
Dacoit at Headquarters (uncredited)
Maj. Carlton (uncredited)
Crawford's Manservant (uncredited)
Koomerow (uncredited)
British Consul Wilson (uncredited)
Dacoit with Microphone (uncredited)
Tribesman (uncredited)