Crook's Tour (1941)
Directed by John Baxter, this 1941 movie sees Charters and Caldicott touring the Middle East. After visiting Saudi Arabia they find themselves in Baghdad where they are mistaken by a group of German spies for the messengers who are to carry a song record by beautiful singer La Palermo (played by Greta Gynt) The gramophone record contains secret instructions of the German Intelligence for disrupting oil supplies. Realizing their error, the German spies pursue Charters and Caldicott to Istanbul trying to eliminate them and retrieve the record. They are persuaded to go to the Hamilton hotel; although it looks ike an ordinary hotel it is actually a private villa owned by the Nazi’s.
Unimpressed by service in Istanbul, Charters and Caldicott head to Budapest – still tailed by German spies and a whole heap of espionage and danger. Along the way, Charters and Caldicott find out that La Palermo is a double agent working on behalf of the British Secret Service.