Fred Freiberger (February 19, 1915 – March 2, 2003) was an American film and television writer and television producer, whose career spanned four decades and work on such films and TV series as The Beast from 20,000 Fathoms (1953), Star Trek (1968–69) and Space: 1999 (1976–77).Freiberger is best known for his work as the producer of the third and final season of science-fiction series Star Trek, between 1968 and 1969. His screenwriting credits include 13 films made between 1946 and 1958.