Hildegard Knef as Catherine the Great

Sergio Fantoni as Orloff

Giacomo Rossi Stuart as Count Poniatowski

Ángela Cavo as Anna

Ennio Balbo as conte Panin

Leonardo Botta as Saltikoff

Raoul Grassilli as Czar Peter III

Tina Lattanzi as Czarina Elizabeth

Vera Besusso as Princess Woronzoff

Gianni Solaro as capitano Shvering

Enzo Fiermonte as generale Munich

Romano Ghini as Alan Orloff

Tullio Altamura as

Janez Vrhovec as

Franco Jamonte as

G. Voujaklia as

Bernard Farber as

Luigi D'Acri as