Byron Chung is a Korean actor who has guest-starred in several television series and mainstream film. Some of his notable roles include appearances in television shows such as Temperatures Rising, The Streets of San Francisco, The Fantastic Journey, four episodes of Baa Baa Black Sheep, The Rockford Files, Salvage 1, seven episodes of M*A*S*H, Hunter, Gabriel's Fire, The Agency, The West Wing, Alias, and four episodes of Lost. He was a regular, playing PROBE Control technician Kuroda, on early episodes of the 1972 TV series Search, and appeared in the pilot film for that series, Probe. Most recently he appeared on an episode of Dark Blue where he played a nefarious, upscale Korean mobster.