Variety‘s “Actors on Actors” series. In a wide-ranging conversation, the duo spoke about the movie-making measures Ruffalo took to pull off a thicker physique in his latest film, “Poor Things.”“Do you know I had an a– pad in?” Ruffalo, 56, asked Robert Downey Jr., 58, about his commitment to the role. “My legs were, like, four inches bigger,” he continued.