HomePeople Biography and filmographyDuke Sandefur Biography unavailable on TMDB. Movies (6)TV shows (2) Movies (6) Behind the Mask: The Making of The Phantom of the Opera2015 · Self Atlas Shrugged: Part II2012 · Screenplay The Phantom of the Opera1989 · Screenplay Ghost Town1988 · Writer No Earthly ReasonNo Earthly Reason1984 · Writer Necronaut · Writer TV shows (2) Mike Hammer1984 · Writer Little House on the Prairie1974 · Writer