Maj. Matt Lewis
Charlton Heston
Baroness Natalie Ivanoff
Ava Gardner
Dr. Steinfeldt
Paul Lukas
Lady Sarah Robertson
Elizabeth Sellars
Garibaldi
Massimo Serato
Maj. Bobrinski
Jacques Sernas
Capt. Andy Marshall
Jerome Thor
Smythe
Geoffrey Bayldon
Capt. Hanselman
Joseph Fürst
Capt. Hoffman
Walter Gotell
Col. Shiba
Jūzō Itami
Clergyman
Mervyn Johns
Sir Arthur Robertson
David Niven
Spanish Minister
Alfredo Mayo
Hugo Bergmann
Martin Miller
Mme Gaumaire
Conchita Montes
Italian Minister
José Nieto
Baron von Meck
Eric Pohlmann
Gaumaire
Aram Stephan
Capt. Hanley
Robert Urquhart
Teresa
Lynne Sue Moon
Old Man (voice)
Burt Kwouk
Undetermined Role (uncredited)
Mike Steen
Dowager Empress Tzu-Hsi
Flora Robson
Martha (uncredited)
Lucy Appleby
Dutch Minister (uncredited)
Félix Dafauce
Austrian Minister (uncredited)
Andrea Esterhazy
Japanese Minister (uncredited)
Carlos Casaravilla
Sergeant Major (uncredited)
R.S.M. Brittain
Chiang (uncredited)
Michael Chow
Court Boxer (uncredited)
Chow Siu-Loi
US Marine (uncredited)
Mitchell Kowall
Extra (uncredited)
Paul Naschy
Belgian Minister (uncredited)
Fernando Sancho
Sgt. Harry
John Ireland
Concubine (uncredited)
Lucille Soong
Spanish Minister (voice) (uncredited)
Robert Rietti
Boxer (uncredited)
Milton Reid
US Minister (uncredited)
Nicholas Ray
Gerald (uncredited)
Alfred Lynch
Tommy (uncredited)
John Moulder-Brown
El hombre del carrito (uncredited)
Guillermo Vera
Boxer Chief (uncredited)
George Wang
Father de Bearn
Harry Andrews
Gen. Jung-Lu
Leo Genn
Prince Tuan
Robert Helpmann
Baron Sergei Ivanoff
Kurt Kasznar
Julliard
Philippe Leroy
Director
Assistant Production Manager
Jesús Franco
Original Music Composer
Dimitri Tiomkin
Co-Director
Guy Green
Screenplay
Philip Yordan
Director of Photography
Jack Hildyard
Producer
Michał Waszyński
Casting
Maude Spector
Samuel Bronston
Bernard Gordon
Production Design
Veniero Colasanti
Editor
Robert Lawrence
John Moore
Alan Brown