Based on Ivor Novello's hit stage play: an opera singer and her gypsy friends try to rescue their king from the clutches of a would-be dictator.
| Actor | Role |
|---|---|
 Mary EllisMelitza Hjos | Melitza Hjos |
 Otto KrugerKing Stefan | King Stefan |
 Victor JoryBaron Lyadeff | Baron Lyadeff |
 Barry MacKayAnthony Allan | Anthony Allan |
| TTrefor JonesLorenti | Lorenti |
 Maire O'NeillPhoebe | Phoebe |
| AAnthony HollesMaestro | Maestro |
 Charles CarsonOtto | Otto |
 Felix AylmerDiplomat | Diplomat |
 Finlay CurrieAngus MacKintosh | Angus MacKintosh |
 Jeanne CarpenterUndetermined Role (uncredited) | Undetermined Role (uncredited) |
 Raymond LovellShip's Officer (uncredited) | Ship's Officer (uncredited) |