(written from a Production point of view)
Tamlyn Naomi Tomita (born 27 January 1966; age 54) is a Japanese-American actress who plays Commodore Oh in Star Trek: Picard, marking her first appearance in the Star Trek live-action franchise after having already made (recurrent) appearances in such popular genre franchises as Quantum Leap (with Scott Bakula and Dean Stockwell), Heroes, the Stargate franchise (with Robert Picardo), Eureka (with Wil Wheaton), and Prime Video's The Man in the High Castle (with Rick Worthy), co-starring in the case of Heroes alongside several other Star Trek alumni.
Prior to her Trek appearance, she appeared in a similar series as the XO of the titular space station, Lt. Cmdr. Laurel Takashima, in the Babylon 5 pilot television film, "The Gathering" (1993), which became a fierce contemporary franchise contender of Star Trek: Deep Space Nine in the 1990s. The pilot also features Andreas Katsulas, Patricia Tallman, John Fleck, and David Sage.
After making her debut in the sequel The Karate Kid: Part II, Tomita later had key roles in films such as Come See the Paradise, The Joy Luck Club (co-starring Rosalind Chao and France Nuyen), Four Rooms, The Last Man on Planet Earth (1999, with Elizabeth Dennehy, Nancy Hower, Martha Hackett, Cliff DeYoung, Azalea Davila, written by Kenneth Biller, and directed by Les Landau), The Killing Jar, Living Out Loud, Robot Stories, The Day After Tomorrow, Only the Brave, The Eye, Tekken (with Cary-Hiroyuki Tagawa), Daddy, and The Good Neighbor.
Aside from her genre television appearances, Tomita also had recurring roles on such television productions as Santa Barbara, Vanishing Son (and its telefilms of the same name), Sisters, The Burning Zone, Nash Bridges, Crossing Jordan (with Miguel Ferrer), JAG, 24 (with Michelle Forbes, Jude Ciccolella, Penny Johnson, Billy Burke, Daniel Dae Kim, Steven Culp, Harris Yulin, Robert Pine, Timothy Carhart, Alan Dale, and Glenn Morshower), The Agency, North Shore, General Hospital, Law & Order: LA, True Blood, Teen Wolf, Resurrection, How to Get Away with Murder, Chasing Life, Berlin Station, and The Good Doctor.
She has also appeared in various short films in recent years.