Sarek is a fictional character in the Star Trek media franchise. He is a Vulcan astrophysicist, the Vulcan ambassador to the United Federation of Planets, and father of Spock. The character was originally played by Mark Lenard in the episode "Journey to Babel" in 1967. Lenard later voiced Sarek in the animated series, and appeared in Star Trek films and the series Star Trek: The Next Generation. Actor Jonathan Simpson played a younger Sarek in a brief scene in Star Trek V: The Final Frontier, with voice-over provided by Lenard. Ben Cross portrayed Sarek in the 2009 Star Trek film. James Frain plays Sarek in the television series Star Trek: Discovery. The character appears in the original Star Trek series, the animated series, five Star Trek films, two episodes of Star Trek: The Next Generation, Star Trek: Discovery and numerous Star Trek novels and comics. Source: Wikipedia (en)