Port-Arthur

Danielle Darrieux

Youki Iwamoura Ranewsky

Adolf Wohlbrück

(as Adolphe Walbrook) Lt. Boris Ranewsky

Jean-Max

Captain Iwamoura, Youki's brother

Charles Vanel

Commander Vassidloff

Jean Worms

Commander Novitzky

Foun-Sen

Youki's Servant

Jean Dax

Boris's Deck Officer

Jean Marconi

Liong, the merchant

René Fleur

Boris Ranewsky (voice)

Pierre Nay

Translator

Paul Escoffier

A Russian General

Ky Duyen

Jean Peyrière

Louis Vonelly

Philippe Richard

(uncredited)

Jean Appert

(uncredited)