- Christopher Lee
- Fu Manchu
- Douglas Wilmer
- Nayland Smith
- Heinz Drache
- Franz Baumer
- Marie Versini
- Marie Lentz
- Howard Marion-Crawford
- Doctor Petrie
- Tsai Chin
- Lin Tang
- Rupert Davies
- Jules Merlin
- Kenneth Fortescue
- Sergeant Spicer
- Joseph Fürst
- Otto Lentz
- Roger Hanin
- Inspector Pierre Grimaldi
- Harald Leipnitz
- Nikki Sheldon
- Carole Gray
- Michel Merlin
- Burt Kwouk
- Feng
- Salmaan Peerzada
- Abdul
- Ric Young
- Control Assistant
- Wendy Gifford
- Louise
- Francesca Tu
- Lotus
- Sally Sheridan
- Shiva
- Denis Holmes
- Constable
- Maureen Beck
- Nurse Brown
- Michael Chow
- Guard
- Kristopher Kum
- Wireless Operator
- Tommy Yapp
- Dacoit
- Ulla Berglin
- Fu Manchu's Slave
- Cecil Cheng
- Control Room Dacoit
- Dennis Chin
- Policeman
- Alan Chuntz
- Dacoit
- Nicholas Courtney
- Sergeant
- Danielle Defrère
- Fu Manchu's Slave
- Evelyne Dhéliat
- Fu Manchu's Slave
- Yvonne Ekmann
- Danish Girl
- Lee Fenton
- Theatre Audience
- Victor Harrington
- Theatre Audience
- Pat Judge
- Theatre Audience
- Anje Langstraat
- Dutch Bride
- David Lawton
- Man
- Alan Meacham
- Theatre Audience
- Ken Parry
- Hospital Receptionist
- Katerina Quest
- Fu Manchu's Slave
- Christine Rau
- Fu Manchu's Slave
- Gaby Schär
- Fu Manchu's Slave
- Jeff Silk
- Dacoit Driver
- Anthony Snell
- Theatre Audience
- Lucille Soong
- Ling / Bride (uncredited)
- John Tatham
- Theatre Audience
- John Timberlake
- Workman at Train Station
- James Ure
- Theatre Audience
- Chris Webb
- Theatre Audience
- Eric Wetherell
- Theatre Audience
- Vincent Wong
- Dacoit
