A test pilot and his weather observer develop a "robot" control so airplanes can be flown without pilots, but enemy agents get wind of it and try to steal it or destroy it.

A kooky waiter and sometimes vaudevillian promises to get his employer's daughter into a Broadway show. When he kidnaps the show's star, she gets her opportunity, as the understudy, to play the role and become a star herself.

On the night express train from Los Angeles to San Francisco everyone’s a suspect when a jewelry magnate is found stabbed to death and an escaped killer is feared on board. It’s up to newspaper reporter Jimmy Hawley (Ben Lyon) to unravel the secrets of the motley group of passengers and find the killer before he strikes again in this tense and atmospheric whodunit.

1942 film by Fritz Lang, Archie Mayo

1942 film by Julien Duvivier

1946 film by Tay Garnett