Olivia Catherine Hack (born June 16, 1983)[1] is an American actress, best known for providing the voice of Ty Lee in Nickelodeon's Avatar: The Last Airbender and Rhonda Wellington Lloyd in Hey Arnold!.
Olivia has also done voice work for Fillmore!, Bratz as Cloe, Family Guy and Blood+.
She continued to work in commercials, including a series of national advertisements for McDonald's.
Entertainment Weekly noted the authenticity of Hack's reprisal of Cindy in the 1990s Brady Bunch films,[3] and the New York Daily News made positive comparisons of Hack's work to that of Susan Olsen's Cindy from the original television series.
[4] In 2000 and 2001, Hack received Young Artist Awards nominations for 'Best Performance in a Voice-Over: TV/Film/Video' for her work in the series Hey Arnold!