- This article is about Leonard Nimoy the actor. For the character, see Leonard Nimoy (character).
Leonard Nimoy (March 26, 1931 – February 27, 2015) was an American actor best known for playing Spock in Star Trek: The Original Series. He appeared as himself in "Marge vs. the Monorail" and "The Springfield Files". His roles in the show often contained references to him in Star Trek. He is also known for the antagonists Galvatron and Sentinel Prime in the Transformers movies.