As of 2015, the actor Nathan Fillion, known best for his starring roles on television shows "Firefly" and "Castle," has never married and has no children. In April 2015, reporters claimed that the celebrity is in a relationship with actress Krista Allen.
Nathan Fillion was born on March 27, 1971 in Alberta, Canada. In 1994, he moved to New York City to begin an acting career. Fillion has acted in both starring and supporting roles on television and in movies and video games. Notable roles include the villian Caleb in "Buffy the Vampire Slayer," Dr. Adam Mayfair in "Desperate Housewives" and Bill Pardy in the horror film "Sliver."