While filling in for injured supersleuth Bulldog Drummond (Atholl Fleming),world-class cricket player Jack Pennington (Jack Hulbert) attempts to foil a criminal mastermind's (Ralph Richardson) impending heist that's targeting a valuable jewel necklace held within the British Museum. This comedic 1930s mystery features daring rescues, intense fistfights and an exciting edge-of-your seat finale aboard a runaway train.

• Gaumont-British Picture Corporation
• Jack Hulbert
• Fay Wray
• Ralph Richardson
• Claude Hulbert
• Gibb McLaughlin
• Atholl Fleming
• Paul Graetz
• Harvey Braban