Samuel George Herbert Mason was a British film director, producer, stage actor, army officer, presenter of some revues, stage manager, stage director, choreographer, production manager and playwright. He was a recipient of the Military Cross the prestigious award for "gallantry during active operations against the enemy." He received the gallantry award for his part in the Battle of Guillemont where British troops defeated the Germans to take the German stronghold of Guillemont.

I Was a Spy is a 1933 British thriller film directed by Victor Saville and produced by Michael Balcon. It stars Madeleine Carroll as Marthe Cnockaert, Herbert Marshall, and Conrad Veidt. Based on the 1932 memoir I Was a Spy by Marthe Cnockaert, the film is about her experiences as a Belgian woman who nursed German soldiers during World War I while passing intelligence to the British. The film was produced by Gaumont British Picture Corporation with Woolf & Freedman Film Service and Fox Film Corporation distributing in the United Kingdom and the United States respectively.