Cyndi Williams is an American voice actress and script writer known for her work in English-language dubs of anime series, particularly those produced by ADV Films in the early 2000s. She is also an accomplished live-action actress, having received critical recognition for her film work. Her career in anime voice acting is closely associated with ADV Films, for which she provided voices for numerous titles. One of her notable roles is Queen Ercell in the magical girl series Petite Princess Yucie, which was released in North America by ADV Films in 2002. Her other anime credits from this period include roles such as Mu-nyo in Birth, Sister Rose in Magical Play, various characters in Wedding Peach, and Alica and Touma's Mother in Sakura Diaries. She also voiced Miranda Johana in Variable Geo and provided additional voices for series like Rurouni Kenshin: Trust & Betrayal, Eden's Bowy, and Dai-Guard: Terrestrial Defense Corp.. Beyond voice acting, Williams has built a career in live-action film and television. She was nominated for the Independent Spirit Award for Best Lead Actress for her performance as Julia Barker in the 2005 drama Room, a film which was also nominated for the John Cassavetes Award. Her live-action credits span several decades and include roles in films such as Computer Chess, Zero Charisma, and Temple Grandin, as well as appearances in television series like The Leftovers. In addition to her on-screen work, Williams has also worked as a script writer.