Although Mila can take off her clothes very naturally in the studio, she still can't easily complete a volley kick. Paul Anderson and Alexander Waite both hoped that Mira could complete these acrobatics in person, so Mira completed four months of all-round training under the guidance of a dedicated person. Mira will also perform a very dazzling set of stunts in the City Hall of Toronto, which is to run along the walls of the building from the roof to the ground. Although the CG technology is very perfect now, Alexander Waite believes that the use of computer technology to shoot is not enough, and decided to use special effects and camera skills to complete this set of most impactful action scenes.
Most of the filming work was done in a local studio in Toronto, Canada. After the filming team moved into Toronto, some of the main streets of Toronto were completely closed, and even the city government building had to vacate half of its seats to facilitate the filming of the film. building. When entering the official shooting, not only did helicopters go in and out, but also detonated bombs in the building, and shot all the glass with a machine gun. Some other high-rise buildings in the city were also shot in the scene of a gunfight with the "living dead". Thousands of creations and hundreds of holes".
