Poll: Being Who?

For the film Being John Malkovich (1999), John Malkovich was approached several times and loved the script, but he and his production crew felt that another actor would fit the role better. Malkovich offered to help produce the film, and aid Spike Jonze in any way, but refused to star in it. Eventually after a couple of years Malkovich's will was worn down and he agreed to star in the film. However, suppose Malkovich had continued to refuse the part. Who's head would you have liked to have gotten into (in their prime)? Discuss the list here