How hard would you train for a movie role?

Universal Pictures recently released a behind-the-scenes video of Charlize Theron’s intense training for the movie. In the behind-the-scenes look, we are given a glimpse at just what Theron went through to perform the stunts to play the role of an undercover MI6 agent investigating a murder in Cold War Berlin.

Following the glimpse into Theron’s training regimen, the video shows that the actress really is no stranger to stunts with an exclusive look at some of the film’s action-packed scenes.

Check out the video below and look for Atomic Blonde to hit theaters July 28.