Star Trek is one of the most iconic franchises in the history of television or film. Despite the original series only running for a few seasons, it spawned numerous spinoffs and films, and created the kind of cult following that basically defined one part of nerd culture. It shouldn't be much of a secret that, among those nerds, there are going to be some pretty big names. After all, we're talking about a show that counted Martin Luther King, Jr. as one of its biggest, earliest fans. So it's no real surprise that once in awhile, some pretty unexpected celebrities