Jean Arthur planned to remake the picture with her as the devil titled "The Devil and Mr. Jones", but that project never materialized.
Inspection of the interior set of Merrick's mansion reveals it to be the Xanadu set of the recently-shot RKO picture Citizen Kane (1941). The fireplace behind the Merrick's desk with its unique herring-bone brick pattern is the tip-off.
This film is being preserved by the UCLA Film & Television Archive with funding from the AFI/NEA Preservation Grants.
Charles Coburn's Best Supporting Actor Oscar nomination is the only one in the category to not be in a Best Picture nominee that year.
The giant edifice in the background of the opening scene is Manhattan's famous Plaza Hotel, making Mr. Merrick's home part of the famous mansion row that once graced 5th Avenue.