Patzer

There are many American accents and few British ones for a film set in India after the Second World War.

What appears to be the camera's shadow is visible on the back of one of the casino's patrons/employees at the roulette table at the 17:40 mark.

When Gordon searches the plane, he turns on the lights in the passenger compartment and the cockpit. He picks up a torch and uses it in his search. When he leaves, he only turns out the lights in the passenger compartment and he takes the torch with him. As a pilot, he would know the importance of returning things to their original condition to reduce the chances of accidents and of not removing equipment from the plane.