Production Designer Rob Harris and his team made a functioning replica Ha-Go 95 Japanese tank. Anti-aircraft guns and 25lb field guns were either borrowed from the Malaysian Army, or left behind by British and Australian troops.
The actors reportedly had problems in period costumes with at least temperatures of 35C. Old electric paint strippers were turned into ersatz fans. During a storm, lightning struck the swimming pool, which turned the water green.
Luke Treadaway (Matthew Webb) and Luke Newberry (Monty Blackett) are both from the city of Exeter in Devon.
In an interview with the Daily Mail, director Tom Vaughan said "It's like Jane Austen has written a comedy of manners- then the Japanese decide to bomb it!".