Tamlyn Tomita (born January 27, 1966 in Okinawa) is a Japanese-American actress and singer. She portrays Kumiko in The Karate Kid Part II. She has recently appeared in the Star Trek series Picard as Commodore Oh as well as in The Good Doctor as Allegra Aoki. She reprised her role as Kumiko in Season 3 of Cobra Kai.
Her IMDB profile can be found here: https://www.imdb.com/name/nm0000674