Real world article
(written from a production point of view)
Keith Sutherland (born 10 November 1962; age 62) is a former child voice actor who lent his voice to Sepek in the Star Trek: The Animated Series first season episode "Yesteryear". He is the son of The Animated Series director and Filmation co-owner Hal Sutherland.
Sutherland's other credits include the television show Lassie's Rescue Rangers (1973) and The ABC Saturday Superstar Movie (1972). He is also credited with a minor role in Happy Birthday to Me (1981), and was an assistant to the director of the cartoon He-Man and the Masters of the Universe (1983).