Wesley Crusher – Wil Wheaton
From 1987 until 1991, Wil Wheaton portrayed Wesley Crusher in the first four seasons of Star Trek: The Next Generation; this later turned into a recurring role later on. His character was met with a lot of opposition from fans but Wheaton shrugged it all off. Since the show, he has starred in a few independent films and other television shows like Criminal Minds and The Big Bang Theory.
William T. Riker – Jonathan Frakes
Jonathan Frakes is just one of two Star Trek regulars to have appeared on four different series (Star Trek: The Next Generation, Star Trek: Deep Space Nine, Star Trek: Voyager and Star Trek: Enterprise). Frakes has also directed episodes of the show and other ones later on not related to Star Trek. He’s also a published author.