Jim Parsons "wouldn't do" The Big Bang Theory again as it made him "miserable". I don’t know. Jon wondered if a young actor could "balance things out" in some way, but Jim said: "I don't honestly know." Jim declared fame as a "very odd psychological thing", but insisted: "And this is not a complaint. He added: "It is a weird feeling to know people know you when you walk into a room, but you don't know them.