Bar Gorman is played by Nigel Patrick whose real surname was Gorman, full name Nigel Dennis Patrick Wemyss-Gorman. The actor was repeating his stage role, which was a huge personal success for him. He soon moved into star roles in films, too.
"Noose" was filmed in England during January and February of 1948. This was the final movie Carole Landis made before her death.
Derek Farr's character is credited as "Capt. Jumbo Hyde" on IMDB, but throughout the film he is referred to as "Jumbo Hoyle".