Antonia Mary Prebble (born 6th June 1984 in Wellington, New Zealand) is the actress that played Krista in "The Passion of Conner" and "Thunder Struck, Part 2" of Power Rangers: Dino Thunder (including archive footage in "A Test of Trust"), Nova Ranger in "Endings, Part 2" of Power Rangers: SPD and the roles of Clare and Niella in Power Rangers: Mystic Force. Interestingly, she has appeared in two Power Rangers finale episodes as a non-main character.