Calificación
Reparto

Christopher Lee
Dr. Fu Manchu

Douglas Wilmer
Nayland Smith

Horst Frank
Rudy / Ronald "Ronny" Moss

Tsai Chin
Lin Tang

Wolfgang Kieling
Dr. Lieberson

Maria Rohm
Ingrid Swenson

Howard Marion-Crawford
Dr. Petrie

Suzanne Roquette
Maria Lieberson

Noel Trevarthen
Mark Weston

Tony Ferrer
Insp. Ramos

Mona Chong
Jasmin

Peter Carsten
Kurt Heller

Eddie Byrne
Ship's Captain