During the eighteenth century the Empress of Russia sends her lover to kidnap her rival for the throne.
| Actor | Role |
|---|---|
 Richard GreeneCount Alexei Orloff | Count Alexei Orloff |
 Valentina CorteseElizabeth, Princess Tarakanova | Elizabeth, Princess Tarakanova |
 Binnie BarnesCatherine - Empress of Russia | Catherine - Empress of Russia |
 Greta GyntCountess Loradona Camponiello | Countess Loradona Camponiello |
| CCharles GoldnerGeneral Korsakov | General Korsakov |
 Walter RillaPrince Radziwill | Prince Radziwill |
 Hugh FrenchCaptain Sergei Nikolsky | Captain Sergei Nikolsky |
 Dennis VanceVasska, Orloff's Aide | Vasska, Orloff's Aide |
 William TubbsBoris | Boris |
 Dino GalvaniRussian Ambassador | Russian Ambassador |
 Ewan RobertsShip's Doctor | Ship's Doctor |