The Mysterious Lady ()

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An attractive Russian spy seduces an Austrian officer in order to get some important plans, but when she actually falls in love with him, both of them are placed in a dangerous situation.


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Cast verified as complete

Tania Fedorova
Karl von Raden
General Boris Alexandroff
Albert Pollet ...
Max Heinrich
Colonel von Raden
General's Aide
Rest of cast listed alphabetically:
Party Guest (uncredited)
Alfonso Corelli ...
Violin Player (uncredited)
Party Guest (uncredited)
Sydney Jarvis ...
Prison Guard (uncredited)
Nicholai Konovaloff ...
Officer Standing at Tania's Table (uncredited)
Cafe Waiter Serving Wine (uncredited)
Carriage Driver (uncredited)
Russian (uncredited)
Victor Young ...
Scarpia in 'Tosca' (uncredited)

Directed by

Fred Niblo

Written by

Ludwig Wolff ... (based on the novel "War in the Dark" by)
Bess Meredyth ... (treatment and continuity)
Marian Ainslee ... (titles) and
Ruth Cummings ... (titles)
Frances Marion ... () (uncredited)

Music by

Vivek Maddala ... (2002)
William Axt ... (uncredited)

Cinematography by

William H. Daniels ... (photographed by) (as William Daniels)

Film Editing by

Margaret Booth ... film editor

Second Unit Director or Assistant Director

Harold S. Bucquet ... assistant director

Art Department

Cedric Gibbons ... settings

Camera and Electrical Department

James Manatt ... still photographer (uncredited)

Costume and Wardrobe Department

Gilbert Clark ... wardrobe

Music Department

Vivek Maddala ... conductor (2002) / orchestrator (2002)

Additional Crew

Geraldine Dvorak ... stand-in: Greta Garbo (uncredited)
Crew verified as complete

Production Companies




Special Effects


Other Companies



Plot Summary

In Vienna, in the beginning of the Twentieth Century, Captain Karl von Raden and his partner Captain Max Heinrich learn in the box office that the ticket for the opera is sold-out. Out of the blue, a man returns his ticket and Karl buys it and shares a box with a gorgeous woman that is waiting for her cousin. Karl gives a ride home to the lady and they spend the night together. On the next day, they spend a wonderful day in the countryside together. Karl is assigned to travel to Berlin by train to deliver secret plans to the German government. His uncle, Colonel Eric von Raden, who is the chief of the Austrian secret service, advises Karl the woman with whom he had spent the previous day is the notorious Russian spy Tania Fedorova. While in the train, Tania meets Karl to tell that she is in love with him, but he rejects her telling that he knows who she is. On the next morning, Karl wakes up and finds that the plans have been stolen and he receives a message from Tania telling that she came as a woman in love with him and left as his enemy. Karl is expelled and imprisoned by the army as traitor but his uncle offers him the chance to clean his name, traveling to Warsaw to find who the traitor is. Karl poses as pianist and meets Tania and her lover, the powerful General Boris Alexandroff. What will Karl and Tania do? Written by Claudio Carvalho, Rio de Janeiro, Brazil

Plot Keywords
Taglines No man knew what she really was. And no man could resist her exotic beauty. A famous Russian spy, moving through the lives of men, in a maze of intrigue, passion and love. See more »
Parents Guide Add content advisory for parents »

Additional Details

Also Known As
  • La belle ténébreuse (France)
  • Der Krieg im Dunkeln (Germany)
  • A Dama Misteriosa (Portugal)
  • 女の秘密 (Japan, Japanese title)
  • Den mystiske kvinnen (Norway)
  • See more »
  • 96 min
Aspect Ratio
Sound Mix
Filming Locations

Box Office

Budget $337,000 (estimated)
Cumulative Worldwide Gross $551,000

Did You Know?

Trivia Debut of actress Geraldine Dvorak . See more »
Movie Connections Featured in Hollywood (1980). See more »
Quotes Title Card: Vienna before the war - city of love and laughter - living gayly to the music of the waltz and the opera - !
See more »

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