During the course of the film, the name of the mysterious 'Larry Cravat' is said 85 times.
In Los Angeles, in Chinatown during the 1940's, Chinese restaurants did not serve coffee, they served only tea.
"Lux Radio Theater" broadcast a 60 minute radio adaptation of the movie on
March 3, 1947 with John Hodiak reprising his film role.
Debut of actress Nancy Guild.
Fritz Kortner, born in Vienna, Austria, was a famous actor of the expressionist school. He emigrated from Nazi Germany via London, New York N. Y. to Hollywood. His performance of Anzelmo is a good example of expressionistic acting, especially in the crystal ball scene.