Mark Lenard

Mark Lenard (born Leonard Rosenson, October 15, 1924 – November 22, 1996) was an American actor, primarily in television. His most famous role was as Sarek, father of Spock, in the science fiction ''Star Trek'' franchise, in both the original and animated series, as well as three films and two episodes of ''Star Trek: The Next Generation''. He also played a Klingon in ''Star Trek The Motion Picture'', and a Romulan in an episode of ''Star Trek: The Original Series''. Provided by Wikipedia