Suspense (1930 film)
Suspense is a 1930 British war film directed by Walter Summers and starring Mickey Brantford, Cyril McLaglen and Jack Raine. During the First World War a British unit take up a new position in a trench unaware that the Germans are laying a mine underneath it. The battle effects were created under the supervision of Cliff Richardson at Elstree Studios which was owned by British International Pictures.
Source: Wikipedia