George Takei, Leonard Nimoy, and Walter Koenig are all actors who have appeared in the Star Trek franchise. George Takei is best known for his role as Hikaru Sulu in the original series, while Leonard Nimoy is remembered for his iconic portrayal of Spock. Walter Koenig played Pavel Chekov in the original series and several of its spin-offs. All three actors have become synonymous with the Star Trek franchise and remain popular among fans to this day.