约翰·曼特利，John Mantley was born on April 25, 1920 in Toronto, Ontario, Canada as John Truman Mantley. He was a producer and writer, known for Gunsmoke (1955), How the West Was Won (1976) and The 27th Day (1957). He was married to Angela Mantley. He died on January 14, 2003 in Sherman Oaks, California, USA.