Bulldog Drummond at Bay is a 1937 British mystery film based on the novel of the same name directed by Norman Lee and starring John Lodge, Dorothy Mackale, and Claude Alistair.

Synopsis:
Bulldog Drummond confronts a group of foreign agents who are members of a British pacifist organization called "The Key." A secret agent kidnaps an inventor in order to steal the blueprints for a top-secret robot aircraft.