The Fatal Hour (1940), directed by William Nigh, is a classic mystery thriller featuring Boris Karloff as the astute and composed detective James Lee Wong. When a police officer is found murdered, Mr. Wong is called in to assist with the case. His investigation leads deep into the San Francisco waterfront, revealing a dangerous smuggling operation and layers of deceit. With its atmospheric settings, clever twists, and Karloff’s dignified performance, The Fatal Hour is a standout entry in the Mr. Wong detective series. Produced by Monogram Pictures, it remains a cult favorite for fans of early crime cinema and vintage detective stories.