In Star Trek V: The Final Frontier we learned that Spock had a half-brother. The fully Vulcan Sybok was played by actor Laurence Luckinbill who has revealed that things were a bit icy between him and Leonard Nimoy. Apparently Nimoy wanted to play both Spock and his brother. Details below.
Luckinbill: Nimoy Wanted To Play [...]
Leonard Nimoy in his last appearance as Spock Leonard Nimoy – the original Mr. Spock – told the Toronto Sun that his appearance in the 2009 big-screen reboot of STAR TREK will be his last appearance as the world’s most famous Vulcan... Read Post
What would Star Trek V have been like if Leonard Nimoy had played both Spock and his misguided brother Sybok? Answer: Probably still pretty terrible, all other things being equal. More » Read Post