To cast 1,500 Chinese extras, scouts recruited from across Europe, leading to many Chinese restaurants in cities like London and Madrid closing for the summer as their staff worked on the film.

Upon release, the film received mixed reviews. While praised for its (shot in Super Technorama 70) and thrilling battle sequences, it was criticised for its historical inaccuracies and thin character development.

The dignified British ambassador who persuades the disparate nations to stand firm until reinforcements arrive.

A stoic U.S. Marine commander leading the multinational military defence.