Walter Koenig was an actor and writer who worked in television and film. He was best known as Pavel Chekov on the original version of Star Trek. Koenig also acted in Babylon 5, The Alfred Hitchcock Hour, Mr. Novak, and General Hospital.

Koenig also had a productive career as a television writer. He wrote on Family, Star Trek: The Animated Series, Land of the Lost, and What Really Happened to the Class of '65?

Koenig reprised his role as Chekov in all seven Star Trek movies that featured the original cast and appeared in numerous other films, most recently Raging Midlife (2026).