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