The Vulcan high priestess who performs the ancient fal-tor-pan ritual at Mount Seleya in 2285, restoring Spock's katra from Doctor McCoy to his regenerated body.
T'Lar appears in Star Trek III: The Search for Spock, played by Dame Judith Anderson. She presides over the ceremony on Vulcan when Kirk and his officers arrive in a captured Klingon Bird-of-Prey carrying both Spock's living body and McCoy, who holds his friend's katra.
Sarek asks her for the fal-tor-pan, the refusion of body and spirit. T'Lar observes that it has not been attempted since ages past and exists only in legend, and questions whether the request is logical. Sarek concedes that where his son is concerned his logic is uncertain.
She warns McCoy of the danger to him as well as to Spock and proceeds only when he accepts it. The rite lasts through the night, and at dawn she announces that it is done, leaving Spock to begin recovering his memories.