Hour Of Glory (a.k.a. The Small Back Room) - (1949) - It's A Bit Hush-Hush

Second scene introduces David Farrar as the protagonist, weapons expert Sammy in London, 1943, Kathleen Byron as Susan, secretary for his unit, Michael Gough the officer seeking his help, Sid James the barkeep, early in Michael Powell and Emeric Pressburger’s Hour Of Glory (a.k.a. The Small Back Room), 1949.