Iron Man (2008 film) in casting Downey, but would not take no for an answer, saying, "It was my job as a director to show that it was the best choice creatively ... everybody knew he was talented [and] certainly by studying the Iron Man role and developing that script I realized that the character seemed to line-up with Robert in all the good and bad ways. Downey earned $500,000 for the role. While preparing for filming, Favreau and Downey were given a tour of SpaceX by Elon Musk. Downey said, "Elon was someone Tony probably hung out with and partied with, or more
Iron Man (2008 film) the star, the superhero is the star. The success of "X-Men" and "Spider-Man" without being star-driven pieces reassures [executives] that the film does have an upside commercially." However, in September 2006, Robert Downey, Jr. was cast in the role. Favreau chose Downey, a fan of the comic, because he felt the actor's past made him an appropriate choice for the part, explaining "The best and worst moments of Robert's life have been in the public eye. He had to find an inner balance to overcome obstacles that went far beyond his career. That's Tony Stark." Favreau faced opposition from Marvel