Christopher Lee

as Dr. Fu Man Chu

Nigel Green

as Sir Nayland Smith

Joachim Fuchsberger

as Karl Janssen

Karin Dor

as Maria Muller Janssen

James Robertson Justice

as Sir Charles

Howard Marion-Crawford

as Dr. Petrie

Tsai Chin

as Lin Tang

Walter Rilla

as Prof. Hans Muller-Mertens

Harry Brogan

as Gaskell

Francesca Tu

as Lotus

Archie O'Sullivan

as Chamberlain

Edwin Richfield

as Chief Magistrate

Peter Mosbacher

as Hanumon

Ric Young

as Grand Lama

Deborah DeLacey

as Slave Girl

Jim Norton

as Mathius

Peter Mayock

Aiden Grennell

Ray Mackin

Kevin Flood

John Franklyn

Conor Evans

Derek Young

Joe Lynch

as Custodian