Noah HathawayHarry Potter Jr. Jenny BeckWendy Anne Potter Phil FondacaroMalcolm Mallory / Torok the Troll Michael MoriartyHarry Potter Sr. Julia Louis-DreyfusJeanette Cooper June LockhartEunice St. Clair Anne LockhartYoung Eunice St. Clair Sonny BonoPeter Dickinson Dale WyattDickinson's Girlfriend Debra DionYoung Couple on T.V. / Associate Producer Charles BandYoung Couple on T.V. / Executive Producer Jacquelyn BandOlder Couple on T.V. Albert BandOlder Couple on T.V. / Producer Robert HathawayFirst Policeman James BeckSecond Policeman Barbara SciorilliFairy #1 John Carl BuechlerSorcerer (uncredited) / Director / Special Effects Makeup Artist / Creature Design / Story John Carl BuechlerSorcerer (uncredited) / Director / Special Effects Makeup Artist / Creature Design / Story Debra DionYoung Couple on T.V. / Associate Producer Charles BandYoung Couple on T.V. / Executive Producer Albert BandOlder Couple on T.V. / Producer Giovanni NatalucciProduction Design Gayle SimonSet Decoration Romano AlbaniDirector Of Photography Jill M. OhannesonCostume Design Giancarlo De LeonardisHairstylist Richard BandOriginal Music Composer Hope PerelloProduction Coordinator Jim AupperleVisual Effects 
