John Colicos
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John Colicos (b. December 10, 1928, Toronto, d. March 6, 2000, Toronto) was a Canadian actor who portrayed Baltar in the original series.
He is also famous for his role as Kor, the first Klingon ever seen in Star Trek (the original series), and repraising the role years later in Star Trek: Deep Space 9.
Colidos was married to Mona McHenry from 1956 to 1981, when they divorced. They have two children, one of them actor Nicholas Colicos.
Quotes
Describing his acting philosophy: "When all else fails, be enigmatic."