Rita Hayworth was originally assigned the role of Jeannie Thompson, and when she refused to do it, was placed on a nine week suspension without pay by the head of Columbia, Harry Cohn, and subsequently replaced by Janet Blair.
"The Screen Guild Theater" broadcast a 30 minute radio adaptation of the movie on February 4, 1945 with Ted Donaldson reprising his film role.
Final film of actress June Millarde.
When Cary Grant goes down the spiral staircase, he descends clockwise. When the scene shifts to the downstairs room, the staircase is turning counter-clockwise as they descend to the bottom.