Lieutenant Tom Paris – Robert Duncan McNeill
McNeill became a series regular as Lt. Tom Paris, a Starfleet officer with a similar backstory to Locarno’s. While he’s done additional acting roles, he’s more of a director now. He directed a few episodes of Desperate Housewives and Medium and was the producer-director of Chuck.
Lieutenant Tuvok – Tim Russ
From 1995 to 2001, Russ portrayed the ship’s Chief of Security and Chief Tactical Officer who was a Vulcan species. Since then, he’s had a strong of starring roles on Samantha Who? and iCarly.