The little convertible driven by Ray Milland is a 2-cylinder Crosley. Paulette Goddard owned one in real life.
In one scene, when Biff answers the door, Toni tells him that she's from the Civilian Defense Office. He says "We got sand." During WWII, Civilian Defense was in charge of ensuring that civilians were prepared for air raids. Households were asked to keep fire-extinguishing items on hand, such as buckets of sand and garden hoses.
Near the start of the film, Paulette Goddard whistles the tune "I've Got Spurs That Jingle, Jangle, Jingle" - a hit introduced in her movie The Forest Rangers.
One of several Paramount Pictures productions purchased by United Artists for theatrical release in 1942-1943.
Ginger Rogers and Charles Boyer were originally considered for the leads before Paulette Goddard and Ray Milland were cast.