Jack Donner (born 29 October 1928; age 92) made his first Star Trek appearance in TOS: "The Enterprise Incident", in which he played the Romulan Subcommander Tal. Thirty-six years later, he played the Vulcan priest in ENT: "Home". He later appeared again in "Kir'Shara".
Other television shows he has guest starred in include The Man from U.N.C.L.E., Mission: Impossible, Kojak, Frasier, Charmed, Buffy the Vampire Slayer, Malcolm in the Middle and Roswell.
Along with Majel Barrett, Joseph Ruskin and Clint Howard, he is one of only four actors to appear in both Star Trek: The Original Series and Star Trek: Enterprise. He is the only one of the four who did not appear on Star Trek: Deep Space Nine.