His artistic pursuits — poetry, photography and music in addition to acting — ranged far beyond the United Federation of Planets, but it was as Mr. Spock that Mr. Nimoy became a folk hero, bringing to life one of the most indelible characters of the last half century: a cerebral, unflappable, pointy-eared Vulcan with a signature salute and blessing: “Live long and prosper."
Mr. Nimoy directed the movies “Star Trek III: The Search for Spock” (1984) and “Star Trek IV: The Voyage Home” (1986), which he helped write. In 1991, the same year that he resurrected Mr. Spock on two episodes of “Star Trek: The Next Generation,” Mr. Nimoy was also the executive producer and a writer of the movie “Star Trek VI: The Undiscovered Country.”
He directed the hugely successful comedy “Three Men and a Baby” (1987), a far cry from his science-fiction work, and appeared in made-for-television movies. He received an Emmy nomination for the 1982 movie “A Woman Called Golda,” in which he portrayed the husband of Golda Meir, the prime minister of Israel, who was played by Ingrid Bergman. It was the fourth Emmy nomination of his career — the other three were for his “Star Trek” work — although he never won.
From 1977 to 1982, Mr. Nimoy hosted the syndicated series “In Search Of ...,” which explored mysteries like the Loch Ness monster and U.F.O.s. He also narrated “Ancient Mysteries” on the History Channel and appeared in commercials, including two with Mr. Shatner for Priceline.com. He provided the voice for animated characters in “Transformers: The Movie,” in 1986, and “The Pagemaster,” in 1994.
Besides his wife, he is survived by his children, Adam and Julie Nimoy; a stepson, Aaron Bay Schuck; six grandchildren and one great-grandchild; and an older brother, Melvin.