"I love acting with my body, and Oppenheimer had a very distinct physicality and silhouette, which I wanted to get right. I had to lose quite a bit of weight, and we worked with the costume and tailoring; he was very slim, almost emaciated, and existed on martinis and cigarettes," https://amp.marca.com/en/lifestyle/movies/2023/07/21/64b9cf54ca4741463c8b45ca.html