Charlize Theron had eight personal trainers help her overcome the intense psychical performance. She also trained with Keanu Reeves who was preparing for John Wick: Chapter 2 (2017).
Before filming resumed, James McAvoy broke his hand on the set of Split (2016) and had to endure all his action scenes of "Atomic Blonde" with his imperfect hand-condition.
The movie is based on Antony Johnston's 2012 graphic novel The Coldest City, which revolves around a spy who has to find a list of double agents who are being smuggled into the West.
David Leitch's first solo credit as director, after co-directing John Wick (2014) with Chad Stahelski.
James McAvoy and Toby Jones starred in at least two Marvel movies. McAvoy was Charles Xavier in the X-Men franchise, and Jones was Armen Zola in two Captain America films.
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