Christina Chong is a British actress who has appeared in several notable roles in film and television, including Monroe, Line of Duty, Halo: Nightfall, Black Mirror, Doctor Who, and 24: Live Another Day. She plays La'an Noonien-Singh in the Paramount+ original series Star Trek: Strange New Worlds (2022–present). Chong was born in Enfield, London, to a Chinese father and an English mother. She began dancing at the age of four and attended the Sutcliffe School of Dance in Longridge. At 14, she gained a place at the Italia Conti Academy of Theatre Arts in London, graduating five years later. After graduation, she moved to Berlin to star in the European premier of the musical Aida, written by Elton John and Tim Rice.

Chong returned to London in 2005 and began appearing in television roles. She had a recurring role in the BBC series Doctor Who as Sergeant Chang, and also appeared in the series Monroe and Line of Duty. In 2014, she played the role of Agent Kwon in the video game Halo: Nightfall. Chong's film credits include Star Wars: The Force Awakens, Black Mirror: The Waldo Moment, and 24: Live Another Day. She has also appeared in several short films and music videos.