"The Screen Guild Theater" broadcast a 30 minute radio adaptation of the movie on June 5, 1944 with Edward G. Robinson and Claire Trevor reprising their film roles.
"The Screen Guild Theater" broadcast a 30 minute radio adaptation of the movie on November 2, 1941 with Edward G. Robinson and Humphrey Bogart reprising their film roles.
Humphrey Bogart disparagingly referred to this movie as "The Amazing Doctor Clitoris".
Ralph Richardson played the role successfully in London, and subsequently Cedric Hardwicke did the same in New York.
Nearly all of the characters' names are changed from the original play on which the film is based.
Producer Robert Lord favored Ronald Colman in the title role but was overruled by studio boss Jack Warner, who cast studio contractee Edward G. Robinson. After Anatole Litvak was assigned to the project, Lord's role shifted from producer to associate producer.