HomePeople Biography and filmographyMargaret Mahy Biography unavailable on TMDB. Movies (6)TV shows (4) Movies (6) The Changeover2017 · Novel The Three-Legged Cat1994 · Writer Keeping House1994 · Screenplay Typhon's People1993 · Writer The Great White Man-Eating Shark1992 · Writer The Haunting of Barney Palmer1987 · Adaptation, Writer TV shows (4) Kaitangata Twitch2010 · Storyteller Maddigan's Quest2006 · Creator Aliens in the FamilyAliens in the Family1987 · Novel Dramarama1983 · Writer