War Office Film Unit (Production company) Rignold, Harry (Captain) (Production individual) Tennyson d'Eyncourt, Walter (Captain) (Production individual) Lawson (Sergeant) (Production individual) Black, A W (Production individual)
War Office Film Unit (Production company) Tennyson d'Eyncourt, Walter (Captain) (Production individual) Carver, F K (Production individual) Rignold, Harry (Captain) (Production individual)