He has also edited three films with Christopher Guest.
His work includes hit comedies and mockumentaries such as This Is Spinal Tap, Best in Show and When Harry Met Sally... as well as classic dramas such as Stand by Me and the Stephen King thriller, Misery, which garnered actress Kathy Bates a "Best Actress" Oscar.
Leighton is an alumnus of London Film School.
Leighton's filmography is based on the listing at the Internet Movie Database.
[1] This list is based on the Internet Movie Database.