The Seventh Survivor

The Seventh Survivor is a 1942 British spy war film directed by Leslie S. Hiscott and starring Austin Trevor, Linden Travers and John Stuart. It was produced by British National Films and Shaftesbury Films. Shot in 1941, it was released in January the following year. The film was made at the Riverside Studios in Hammersmith as a second feature.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.