Olivia has brown eyes.
Olivia is the voice actress for Shion Uzuki on the video game series Xenosaga.
Some of Olivia's first works on TV were Wings and Phenom.
Olivia first started her carrier working on television shows, but that later evolved into films.
Olivia started out acting on the Los Angeles stage.
Olivia was nominated for the Young Artist Award in 2000 and 2001. This award was from the show she was working on at the time, Hey Arnold!
Olivia's first TV appearance was in a 1995 episode of Wings, entitled "A House to Die For."
Olivia appeared in the "Top Ten Episodes of The Brady Bunch" special on TV Land as herself.
Olivia first appearance on Nickelodeon was in 1996, as Rhonda Wellington Lloyd, on Hey! Arnold.
Olivia's father's name is Michael Hack.
Olivia's first movie appearance was in 1994's, Star Trek: Generations.
Olivia is also known for her role on Any Day Now, replacing Mae Middleton as young Mary Elizabeth im season 4.
Olivia's height is 5'2" (1.57 m).
Olivia is most know for her role in the Brady Bunch movies as Cindy Brady.
Olivia has a long history with animated projects. Including regular roles on Nickelodeon's "Hey Arnold!"; Fox Family's "Room 402"; and NBC's "Sammy." And she's also been a guest voice for such series as "Family Guy," "Rocket Power" and "Life With Louie."
Olivia has appeared in nearly 60 commercials.
Olivia started acting at the age of four.
Olivia owns many pets, including a Yorkshire terrier named Pun.
Olivia Hack: (about playing Cindy in The Brady Bunch Movie) The wardrobe is the most hideous thing!
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