Barely in my own defense, I've never seen a Harold & Kumar movie, but I sure as hell knew who he was when I was watching him play Sulu, and I always knew that Kutner was "Kumar." In fact, one of my aversions to Kutner as a fellow was, "hey, that's Kumar."
So along with Jennifer Morrison and the voice of Greg Grunberg, that's three connections between House MD and Star Trek.
Am I missing any?
Not exactly in the Ed McMahon, Farrah, MJ category, but....
TV pitchman Billy Mays found dead at Florida home