I think Johnny Depp is an INFp. I read a short biography of him, and that just seems to fit. He said it is important for him to keep the kid within himself alife. Ok that sounds more like ISFp, but he often appears eccentric and plays nearly only eccentric roles. He also has this one sided smile ,and I don't get the impression he's an extrovert.
I also recognized that INFPs either havn't touched a cigarette in their life, or they are chain smokers , so for depp the latter applies.
But yes, he could also be an ENTp like everybody else. Perhaps we should define 16 Subtypes for ENTps