I really liked his work. He was in Star Trek 5 & 6 and in The Next Generation. He also had a brief cameo in Penny Dreadful.
All men dream: but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find that it was vanity: but the dreamers of the day are dangerous men, for they may act their dreams with open eyes, to make it possible.