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