Captain Craddock
The mystery passenger on Craddock's ship is his country's queen.When he loses money she's entrusted to him at roulette, he threatens to bomb Monte Carlo unless his loss is restored.
Directors: Hanns Schwarz, Max de Vaucorbeil
Writers: Franz Schulz, Fritz Reck-Malleczewen, Hans Müller, Rowland V. Lee
IMDB: tt0165131