The Mystery of Mr. Wong (1939)

Director: William Nigh
Cast: Boris Karloff, Craig Reynolds, Dorothy Tree, Grant Withers, Holmes Herbert, Ivan Lebedeff, Lotus Long, Morgan Wallace

Synopsis:

Detective James Lee Wong must find the “Eye of the Daughter of the Moon,” a priceless but cursed sapphire stolen in China and smuggled to America. His search takes him into the heart of Chinatown and to the dreaded “House of Hate” to find the deadly gem before it can kill again.