John Moulder-Brown
— Alexander
Dominique Sanda
— Sinaida
Maximilian Schell
— Vater
Valentina Cortese
— Mutter
Marius Goring
— Dr. Lushin
Dandy Nichols
— Prinzessin Zasekina
Richard Warwick
— Lt. Belovzorov
Keith Bell
— Graf Malevsky
Johannes Schaaf
— Nirmatsky
John Osborne
— Maidanov
Thomas Margulies
Otto Vogler
Gisela Bock
