Kari Wahlgren is an American voice actress who has provided English-language voices for over a hundred animations, anime and video games. She got her start in anime voice-overs as Haruko Haruhara in FLCL, and would later land major roles in a number of shows and films: Robin Sena in Witch Hunter Robin, Lavie Head in Last Exile, Fuu in Samurai Champloo, Scarlett in Steamboy, Pacifica Casull in the Scrapped Princess, Saya Otonashi in Blood+, Kagami Hiiragi in Lucky Star, Saber in Fate/zero, Fate/stay night: Unlimited Blade Works and Fate/stay night: Heaven's Feel, and Celty Sturluson in the Durarara!! series.