The Mysterious Lady is an MGM silent film

Silent film

A silent film is a film with no synchronized recorded sound, especially with no spoken dialogue. In silent films for entertainment the dialogue is transmitted through muted gestures, pantomime and title cards...

 starring Greta Garbo

Greta Garbo

Greta Garbo , born Greta Lovisa Gustafsson, was a Swedish film actress. Garbo was an international star and icon during Hollywood's silent and classic periods. Many of Garbo's films were sensational hits, and all but three were profitable...

, Conrad Nagel

Conrad Nagel

Conrad Nagel was an American screen actor and matinee idol of the silent film era and beyond. He was also a well-known television actor and radio performer.-Biography:...

, and Gustav von Seyffertitz

Gustav von Seyffertitz

Gustav von Seyffertitz was a German film actor and director. He appeared in 118 films between 1917 and 1939.He was born in Haimhausen, Bavaria and died in Los Angeles, California, aged 81.-Selected filmography:...

, directed by Fred Niblo

Fred Niblo

Fred Niblo was an American pioneer film actor, director and producer.-Biography:He was born Frederick Liedtke in York, Nebraska, to a French mother and a father who had served as a captain in the American Civil War and was wounded at the Battle of Gettysburg...

, and based on the novel War in the Dark by Ludwig Wolff.

Synopsis

In wartime Czarist Russia an attractive female spy falls for a handsome officer without telling him that she's a spy. She in time turns against her superiors in favor of the young officer and kills a high ranking military officer who has learned that she has turned double agent. After killing the official the female spy escapes, through a secret passage way, with her young officer lover.

Cast

• Greta Garbo
  Greta Garbo
  Greta Garbo , born Greta Lovisa Gustafsson, was a Swedish film actress. Garbo was an international star and icon during Hollywood's silent and classic periods. Many of Garbo's films were sensational hits, and all but three were profitable...
  
   - Tania Fedorova
• Conrad Nagel
  Conrad Nagel
  Conrad Nagel was an American screen actor and matinee idol of the silent film era and beyond. He was also a well-known television actor and radio performer.-Biography:...
  
   - Capt. Karl von Raden
• Gustav von Seyffertitz
  Gustav von Seyffertitz
  Gustav von Seyffertitz was a German film actor and director. He appeared in 118 films between 1917 and 1939.He was born in Haimhausen, Bavaria and died in Los Angeles, California, aged 81.-Selected filmography:...
  
   - Gen. Boris Alexandroff
• Albert Pollet - Max heinrich
• Edward Connelly
  Edward Connelly
  Edward Connelly was an American stage and film actor of the silent era. He had a long established Broadway theatre career going back to the Victorian era...
  
   - Colonel Eric von Raden
• Richard Alexander
  Richard Alexander (actor)
  Richard Alexander was an American character actor. Born in Dallas, Texas, Alexander appeared in numerous film serials such as Flash Gordon and Zorro Rides Again, as well as a leading role in All Quiet on the Western Front. He is buried in Forest Lawn Memorial Park.-References:...
  
   - General's aide

unbilled

• Betty Blythe
  Betty Blythe
  Betty Blythe was an American actress best known for her dramatic roles in exotic silent films such as The Queen of Sheba .-Career:...
  
   - opera singer, 'Tosca'
• Symonia Boniface
  Symona Boniface
  Symona Boniface was an American film actress. She appeared in 120 films between 1925 and 1956.-Career:...
  
   - Party Guest
• Geraldine Dvorak - Dress Extra
• Nicholai Konovaloff - Officer standing at Tania's table
• William H. O'Brien - Cafe waiter serving wine
• Russ Powell
  Russ Powell
  Russ Powell was an American film actor. He appeared in 186 films between 1915 and 1943.He was born in Indianapolis, Indiana, and died in Los Angeles, California.-Selected filmography:* Kindled Courage...
  
   - Carriage Driver
• Victor Young
  Victor Young
  Victor Young was an American composer, arranger, violinist and conductor. He was born in Chicago.-Biography:...
  
  - Scarpia in 'Tosca', the opera