But Not in Vain is a 1948 Anglo-Dutch World War II drama, directed by Edmond T. Gréville and starring Raymond Lovell. The film is set in 1944 in the occupied Netherlands, and was shot at the Cinetone Studios in Amsterdam, with exterior filming taking place at locations in and around the city. The film also incorporates authentic wartime footage filmed by members of the Dutch Resistance. The Dutch version of the film was the first Dutch production of a feature film after World War II.

Martin Benjamin Benson was a British character actor who appeared in films, theatre and television. He appeared in both British and Hollywood productions.