Till We Meet Again (1936)

In London August 1914 Austrian star Elsa Duranyi Gertrude Michael and English matinee idol Alan Barclay Herbert Marshall are in love and plan an immediate marriage But the War comes and Elsa mysteriously disappears Alans ease in speaking German results in his appointment to the British Intelligence and to aid his use as a spy they announce he was killed in action He takes the name and personality of shellshocked Hans Teller a German prisoner and is sent into Germany on an exchange of prisoners