1 of 9 According to Jon Favreau, director of Iron Manto EOnline, Marvel refused to hire Robert Downey Jr. due to their arrests involving drugs and multiple visits to the court. I only needed to hear his name for refusing resounding. Therefore, there appeared many other names of actors who end up playing the popular role of Tony Stark. One of them is Nicolas Cagebut he had signed for the starring role in another production of Marvel: Ghost Rider. Goodbye, Iron Man!