Feature debut of Ava Gardner, who can be briefly glimpsed walking by Nick's car (at 12 min 11 sec, wearing a large-brimmed hat).
The backdrop footage behind Nick and Nora after leaving the Bay Bridge traveling to the racetrack is authentic and rather historical, as one reared in the Bay Area can testify. They are driving the then new East Shore Highway, now known as the East Shore Freeway, formerly US40 now I-80.
The fourth of six "Thin Man" movies starring William Powell and Myrna Loy, filmed August 3-late August 1941.