American actor, born in 1966, who played Commodore Oh, the head of Starfleet Security secretly working for the Zhat Vash, in the first season of Star Trek: Picard.
Tamlyn Tomita is an American actor born in 1966. She made her screen debut as Kumiko in The Karate Kid Part II in 1986 and went on to play Waverly Jong in The Joy Luck Club and Allegra Aoki in The Good Doctor.
In 2020 she joined Star Trek: Picard as Commodore Oh, the director of Starfleet Security, who appears to be a Vulcan. Oh is revealed to be of mixed Vulcan and Romulan heritage and a long-standing agent of the Zhat Vash, the Romulan cabal sworn to destroy synthetic life.
It is Oh who recruits Agnes Jurati with a mind meld showing the Admonition, and who leads the Romulan fleet to the synth homeworld Coppelius in the season finale, Et in Arcadia Ego.