Matt Highison, Lead Character Artist, revealed information on some new races that would be added:
RG: You see more playable races being added in the future?
Matt: Certainly. We have made the alien creator expandable so it fully supports the addition of new playable races. In fact, there are 2 new playable races coming in the near future!
RG: Can you tell us what races and when will they be added?
Matt: The first race to be added will be the Catians, very soon after launch. probably in a month or two. After that you can expect to see the Tellarites added.
Read the full interview with Matt Highison Here
Exclusive Interview: Star Trek Online's Matt Highison (Lead Character Artist)