Although the name pendants, monogram dressing gowns and brooches are swapped for plot purposes, Terry is consistently left-handed and is the only one who smokes.

First film produced by the new joint venture Universal Pictures-International Pictures.

Lt. Stevenson warns the sisters about a Rube Goldberg defense. This refers to the Pulitzer prize winning author and cartoonist (1883-1970) famous for his diagrams of complicated machines that perform simple tasks. He inspired Rube Goldberg Machine Contests that feature heavily on Youtube.

"The Hedda Hopper Show - This Is Hollywood" broadcast a 30 minute radio adaptation of the movie on January 11, 1947 with Lew Ayres and Olivia de Havilland reprising their film roles.

"The Screen Guild Theater" broadcast a 30 minute radio adaptation of the movie on February 2, 1948 with Lew Ayres reprising his film role.

"Screen Director's Playhouse" broadcast a 30 minute radio adaptation of the movie on March 31, 1950 with Olivia de Havilland reprising her film role.