The Scarlet Hour is a 1956 American FILM NOlR crime film directed and produced by Michael Curtiz. The film stars Carol Ohmart, Tom Tryon and Jody Lawrance. The screenplay was based on the story "The Kiss Off" by Frank Tashlin. The song "Never Let Me Go" is performed by Nat King Cole. You can find out more about this movie from Wikipedia and there is also a review (PDF) from NOIR CITY Magazine .
"Carol Ohmart and Tom Tyron are not hollywood names nor noir familiars; I had to look up both. Neither made it to the big lights of the business, but ..."