Leonard Nimoy is an American actor, film director, photographer, author, poet, singer and songwriter best known for his role in the 1960s TV series Star Trek, as Mr. Spock.
Nimoy began his career in his early twenties, teaching acting classes in Hollywood and making minor film and television appearances through the 1950s. Foreshadowing his fame as a semi-alien, he played Narab, one of three Martian invaders in the 1952 movie serial Zombies of the Stratosphere. In 1965, he made his first appearance in the rejected Star Trek pilot "The Cage", and went on to play the character of Spock until 1969, followed by eight feature films and guest slots in the various spin-off series. The character has had a significant cultural impact and garnered Nimoy three Emmy Award nominations; TV Guide named Spock one of the 50 greatest TV characters. After the original Star Trek series, Nimoy starred in Mission: Impossible for two seasons, hosted the documentary series In Search of..., narrated Civilization IV, and made several well-received stage appearances. He also had a recurring role in the science fiction series Fringe.
Nimoy's fame as Spock was such that both of his autobiographies, I Am Not Spock (1975) and I Am Spock (1995), were written from the viewpoint of sharing his existence with the character. Nimoy has a star on the Hollywood Walk of Fame.