crusade to shine light into the darkness of human affairs. He and Gwen butt heads frequently, but he has affection and pride in Gwen. He magically projects himself from his own time in the 6th century. Aljin Abella as Spencer Huang:He is a friend of Gwen and the gang. Bridget Neval as Reine Davidson:The primary antagonist of Gwen and her friends. She has some knowledge of magic herself. She has a crush on Josh, as well as later on Michael. Mercia Deane-Johns as Morgana La Faye:The queen of darkness whose purpose is to steer mankind towards the ignorance and conflict that feeds evil and her power. She rivals Merlin in magical skills; however, she is still mortal and will one day die. She is the evil witch who opposes Gwen and Merlin. She is also the evil half-sister of King Arthur. Don Halbert as Patrick O'Leary:Mr. O'Leary just seemed to show up one day after a teacher mysteriously falls ill. He's up to something and whenever Gwen turns around, he's there. It is revealed that he is actually Gwen's father. He is also the reincarnation of Mordred. Ian Dixon as Gadowain:He is a troublesome fairy, and Michael's protector. Guest Chris Hemsworth as King Arthur:The legendary 6th century King of Britain, and the husband of Guinevere. He was betrayed by Guinevere when she cheated on him with Lancelot, and Camelot was brought to ruin as a result. (Note: He appears only in flashbacks of the series) Alex Tsitsopoulos as Lancelot:The legendary Knight of the Round Table in Camelot, whom Guinevere cheated on King Arthur with. (Note: He appeared in only one flashback of the series) Vanessa Elliott as Fire Bromsky:She is a member of Reine's gang. Her real name is Frances. Katie Campbell as Wind Winters:Her real name is Winifred Winters, is a member of Reine's gang. Pepe Trevor as Mrs. Blatt:She is the Socials teacher. Dennis Coard as Harve Rosen:He is Gwen's foster father. He and his family live in a thrift store called New Sage which sells magical stuff. Briony Behets as Louise Rosen:She is Gwen's foster mother. Madeline Page as Katie Dawson:She is Gwen's foster sister and in foster care herself. Trudy Hellier as Karen Jones:She is Gwen's mother who was captured by an evil spirit and spent her days in the mental hospital. Episodes Season 1 Season 1 Aired in May, June, and July 2002. Season 2