Count Alexei Orloff
Richard Greene
Elizabeth, Princess Tarakanova
Valentina Cortese
Ship's Doctor
Ewan Roberts
Catherine - Empress of Russia
Binnie Barnes
Countess Loradona Camponiello
Greta Gynt
General Korsakov
Charles Goldner
Prince Radziwill
Walter Rilla
Captain Sergei Nikolsky
Hugh French
Vasska, Orloff's Aide
Dennis Vance
Boris
William Tubbs
Russian Ambassador
Dino Galvani
Director of Photography
Erwin Hillier
Editor
Peter Graham Scott
Original Music Composer
Hans May
Art Direction
Wilfred Shingleton
Set Decoration
Kenneth McCallum Tait
Makeup Artist
G. di Rossi
Assistant Director
Roger Good
Screenplay
Doreen Montgomery
Hagar Wilde
Costume Design
Vittorio Nino Novarese
Hairstylist
Vera Franklin
Gerry Fairbank
Producer
Anthony Havelock-Allan
Doreen Hart
Director
Sidney Salkow
Original Story
Jacques Companéez
Production Manager
Gregory Baird Smith
Camera Operator
Cecil Cooney