After having been captured in a Crimea during a failed attempt to flee overseas, Leo returns in Petersburg for Kira.
| Actor | Role |
|---|---|
 Alida ValliKira Argounova | Kira Argounova |
 Fosco GiachettiAndrej Taganov | Andrej Taganov |
 Rossano BrazziLeo Kovalenski | Leo Kovalenski |
 Emilio CigoliPavel Sjerov | Pavel Sjerov |
 Giovanni GrassoTishenko | Tishenko |
| SSilvia MantoMariska | Mariska |
 Gioia ColleiAcia Dunaev | Acia Dunaev |
 Lamberto PicassoIl capo della G.P.U. | Il capo della G.P.U. |