Simon Helberg as Howard Wolowitz – Then
Though often looked down upon by Sheldon because he ‘only’ holds a Master’s degree in engineering from MIT, Howard eventually manages to parlay his expertise into becoming an astronaut for NASA. In the early seasons, Howard was often trying and failing to score a date with a variety of different women, That all changed with Penny introduces him to her coworker Bernadette in season 3, who was working at the Cheesecake Factory in order to pay for grad school.
