War Office Film Unit (Production company) Elvin, A R N (Production individual) Courtney (Sergeant) (Production individual) Marshall, F (Production individual)
War Office Film Unit (Production company) Herbert (Sergeant) (Production individual) Hopkinson, T P (Production individual) Smales, Edgar Hiram (Production individual) Windows, J C (Production individual)
War Office Film Unit (Production company) Acland, A W (Production individual) Hopkinson (Sergeant) (Production individual) Taylor (Sergeant) (Production individual) Windows, J C (Production individual)