Simon Helberg was not the first choice to play Howard on The Big Bang Theory, and he didn't learn that until much later.

Simon Helberg and Kunal Nayyar, known for their roles in The Big Bang Theory, have been the subject of numerous speculations about their off-screen friendship. We reveal the true nature of their ...

American sitcom The Big Bang Theory centers around friends Leonard Hofstadter (Johnny Galecki), Sheldon Cooper (Jim Parsons), Penny Teller (Kaley Cuoco), Howard Wolowitz (Simon Helberg ...