Youki Iwamoura Ranewsky
(as Adolphe Walbrook) Lt. Boris Ranewsky
Captain Iwamoura, Youki's brother
Commander Vassidloff
Commander Novitzky
Youki's Servant
Boris's Deck Officer
Liong, the merchant
Boris Ranewsky (voice)
Translator
A Russian General
(uncredited)
(uncredited)