In the lead-up to the First World War, a French military attaché falls in love with the wife of a prominent German in Stamboul in the Ottoman Empire.
| Actor | Role |
|---|---|
 Warwick WardCol André de Sevigne | Col André de Sevigne |
 Rosita MorenoBaroness von Strick | Baroness von Strick |
 Margot GrahameCountess Elsa Talven | Countess Elsa Talven |
 Henry HewittBaron von Strick | Baron von Strick |
 Garry MarshPrince Cernuwitz | Prince Cernuwitz |
 Alan NapierBouchier | Bouchier |
 Abraham SofaerMahmed Pasha | Mahmed Pasha |
 Stella ArbeninaMme. Bouchier | Mme. Bouchier |
| AAnnie EsmondNurse | Nurse |
| EEric PavittFranz | Franz |