Mark Lenard: Mark Lenard. Actor: Star Trek III: The Search for Spock. Mark Lenard was an American actor, primarily known for television roles. He is primarily known for playing Vulcan ambassador Sarek (Spock's father) in "Star Trek: The Original Series" and a number of its spin-offs.
In 1924, Lenard was born under the name "Leonard Rosenson" in Chicago Illinois. His father was Abraham Rosenson, a Russian-Jewish immigrant who eventually owned his own tourist...
