Name this actor, who is famous for his role in “The Big Bang Theory”? By Mukesh Sharma - April 27, 2021 Name This Actor Who Is Famous For His Role In The Big Bang Theory Jim Parsons, an actor who is famous for his role in the Big Bang Theory. Amazon Quiz, Options for the question- Name this actor, who is famous for his role in “The Big Bang Theory”? – Johnny Galecki – Jim Parsons – Kunal Nayyar – Simon Helberg The answer is- Jim Parsons. Jim Parsons is the actor famous for his role in “The Big Bang Theory”.