1. The scene of Piccadilly Circus in the film was shot before the "September 11" terrorist attack. Director Boyle arranged the shooting scene based on a photo of the earthquake in China.
2. Half of the film’s funding came from Andrew MacDonald’s DNA Film Company, and half came from Fox Searchlight. Peter Rice, the president of Fox Searchlight, saw the script of the film during the Cannes Film Festival in 2001. He was immediately attracted by the script and decided to invest in the filming.
3. The plane in the film flew from Blackpool to the location on the lake. The entire flight was less than 6 minutes and the fuel cost was as high as 6,000 pounds.
4. The hospital in the film was shot in a real hospital, and the hospital was closed on weekends.
5. The producer had hoped that Leonardo DiCaprio would play Jim.
6. Tilda Swinton refused to play Selena.
7. Robert Carlisle was the one to play Major Henry.
8. The symbol of the film is an international symbol for blood-borne biological hazards.
9. Ivan McGregor is the first candidate to play Jim.
10. "Fuck" is said 61 times in the film.
11. The crew prepared all the necessary documents to apply to blow up the gas station in Canary Wharf, but the police were not prepared. When the crew detonated the gas station during filming, the police mistakenly believed that there was an explosion and dispatched a fire brigade.
12. In order to close the traffic briefly in the morning, director Danny Boyle invited many pretty girls to direct the traffic.
