It’s no secret Christopher Nolan is morally opposed to green screens, CGI and 3D technology. He shoots solely on film and won’t settle for anything less than a summer big-screen release for his next film, Tenet. And according to his frequent collaborator Anne Hathaway, who worked with him for The Dark Knight Rises and Interstellar, the filmmaker revealed an incredible amount of training Joseph Gordon-Levitt had to do for Inception ahead of her taking on Catwoman. The actress recalled the director telling her:
Article source: https://www.cinemablend.com/news/2549248/the-insane-amount-of-training-joseph-gordon-levitt-did-for-basically-one-inception-stunt