Who played Spock in the original 'Star Trek' series?

In 'Twin Peaks', whose murder does Agent Dale Cooper investigate? In 'Buffy the Vampire Slayer', in which fictional town does Buffy live? In 'Star Trek', what is the name of the starship commanded by Captain Kirk? Who played Captain James T. Kirk in the original 'Star Trek' series? Who played Captain Jean-Luc Picard in 'Star Trek: The Next Generation'? What is the name of the time machine in 'Doctor Who'? Which streaming service launched 'The Mandalorian' in 2019? In 'The Big Bang Theory', in which city do the characters live?