A masked criminal who dresses like a giant bat terrorizes the guests at an old house rented by a mystery writer.
Production
The bat-suit design influenced Batman's creators—yes, really.
Direction
West's shadow work rivals German Expressionism on a budget.

Director
Roland West
Trivia, insights & behind the scenes
Bob Kane and Bill Finger saw this in 1930 and straight-up stole the bat imagery for their comic. No lawsuit, just vibes.
West filmed this simultaneously with a sound version called 'The Bat Whispers' in 1930—same sets, different casts, total madman behavior.