The Weapon
Starring Steve Cochran, Lizabeth Scott, Herbert Marshall, Nicole Maurey, Jon Whiteley, George Cole, Laurence Naismith, Stanley Maxted, Denis Shaw, Fred Johnson
Watch "The Weapon" on Netflix released in 1956. It's a thriller movie, and has a rating of 6.2 out of 10 from Imdb which is usually fine for this kind of movie.
Netflix
