Though Marilee Earle (best known for The Fearmakers (1958) opposite Dana Andrews) is uncredited alongside an actor whose character has the same last name, neither appear in the film at all, and here's why: 30 minutes in, when Nick (John Bromfield) talks to his single secretary about marriage, giving her a few tips, he tells her, "Okay, back to the newlyweds," who he had obviously been selling: but right as he walks outside, and before we see the husband or wife, the scene fades to black.
Nick Dunn:
What a hunk of stuff. Built like a hardtop convertible.
The following acknowledgment appears on screen at the end of the film: "The producers of 'Hot Cars' wish to thank Big John's used car lot and Johnny O'Toole's used car lot in Culver City, California, for their help in making this picture possible".
English