Star Trek III: The Search for Spock (1984)
Star Trek III: The Search for Spock is the Star Trek film that exists primarily to undo the consequences of the previous Star Trek film. Christopher Lloyd plays the Klingon commander Kruge.
Leonard Nimoy created Spock, including the Vulcan salute, which he adapted from a Jewish priestly blessing he saw as a child, and the nerve pinch, which he invented to avoid a scripted punch.
He published a book called I Am Not Spock and then, twenty years later, one called I Am Spock, which is the whole relationship in two titles.
He directed Star Trek III and IV, the latter being the most commercially successful of the original-cast films, and also directed Three Men and a Baby.
He was a serious photographer, published poetry, and returned to the role in the rebooted films before his death in 2015.