My Lady's Latchkey 1921

Synopsis:

Young Annesley Grayle, weary of a gloomy, uneventful existence with her aunt, accepts the proposal of a young American that she pose as his wife. Later, they are actually married. When, at a ball, she hears her husband accused of stealing a valuable diamond and realizes that he is indeed a thief, she hides the jewel to save him.

Directed by: Edwin Carewe
Runtime: 60 minutes
Tagline: She gave him her heart and her latchkey. Romance, Adventure, Mystery beckoned, and she responded.
Cast:
Katherine MacDonald
Katherine MacDonald
Annesley Grayle 
Edmund Lowe
Edmund Lowe
Nelson Smith 
Claire Du Brey
Claire Du Brey
Countess Santiago 
Howard Gaye
Howard Gaye
Lord Annesley-Seton 
Thomas Jefferson
Thomas Jefferson
Ruthven Smith 
Lenore Lynard
Lenore Lynard
Lady Annesley-Seton