Julie Kliewer, also known professionally by her birth name Julie Maddalena, is an American voice actress recognized for her extensive work in English-language dubs of Japanese anime, as well as Western animated series and video games. She was born Julia Lynn Maddalena on June 26, 1963, in Cleveland, Ohio. Her career in entertainment began in live action, with her debut role being Rachel in the 1984 film adaptation of Children of the Corn. She transitioned to voice acting, a field in which she has remained active since the 1990s. In many of her credits, including her role as Pinoko in the 1996 anime Black Jack, she is listed under her married name, Julie Kliewer.

Kliewer's voice acting career is marked by a significant number of roles in anime produced during the 1990s and 2000s. She is perhaps best known for voicing leading characters such as Hikaru Shidou in Magic Knight Rayearth, a role she has cited as a personal favorite, and Arusu in Tweeny Witches. She also provided voices for several installments of the Tenchi Muyo! franchise, including Sakuya Kumashiro in Tenchi in Tokyo and Mayuka in Tenchi the Movie 2: The Daughter of Darkness. Another notable performance was as one of the Tachikoma tank units in the acclaimed series Ghost in the Shell: Stand Alone Complex. Her versatility extended to other popular titles, with roles such as Sarah McDougall in Love Hina, Meiling Li in the second Cardcaptor Sakura movie, and Dita Liebely in Vandread.

In addition to her anime work, Kliewer built a substantial career voicing characters in Western animation and video games. She was a regular voice on the Monster High franchise, portraying Venus McFlytrap and Robecca Steam, and voiced Blondie Lockes in Ever After High. Her live-action voice work includes the role of the computer D.E.C.A. in the television series Power Rangers in Space and Power Rangers Lost Galaxy. In the video game industry, her performances include Ilia Silvestri in Star Ocean: First Departure, Ryoko Terajima in the.hack series, and additional voices in Nier: Automata.

Throughout her career, Kliewer has been a consistent presence in the Los Angeles-based voice acting community, frequently collaborating with a regular pool of directors and fellow actors. Her work on the English dub of the Black Jack film was produced by Animaze and directed by Quint Lancaster, where she starred alongside Kirk Thornton as the titular character. She has shared credits with voice actors such as Steve Blum, Wendee Lee, and Bridget Hoffman across numerous projects. Her contributions to the industry have made her a familiar voice to fans of anime and animation from the 1990s through the 2010s.