Olivia Cathrine Hack (born June 16, 1983) is an American actress, best known for providing the voice of Rhonda Wellington Lloyd in Nickelodeon's Hey Arnold!, and for playing Cindy Brady in the 1990s theatrical Brady Bunch films. She has also done voice work for Fillmore!, Bratz as Cloe, Family Guy, Blood+ and Avatar: The Last Airbender as Ty Lee. She appeared in Star Trek Generations, Party of Five and Gilmore Girls.
Olivia Cathrine Hack
June 16, 1983
As a child actress, Hack appeared in her first commercial spot when she was eight months old.
Entertainment Weekly noted the authenticity of Hack's reprisal of Cindy in the 1990s Brady Bunch films, 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.
- Phenom (1 episode, 1993) as Jennifer
- Wings (1 episode, 1995) as Cindy Brady
- Nick Freno: Licensed Teacher (1 episode, 1997) as Lorrie
- Perversions of Science (1 episode, 1997) as Jenna Sorensen
- Touched by an Angel (1 episode, 1997) as Kim
- Tracey Takes On... (2 episodes, 1998) as Bethany
- Party of Five (2 episodes, 1998) as Stephanie
- Two of a Kind (1 episode, 1999) as Tammy
- The David Cassidy Story (2000) as Young English Fan
- Freaks and Geeks (1 episode, 2000) as Erin
- Sammy (2000) as Lola
- Any Day Now (22 episodes, 2001–2002) as Young Mary Elizabeth O'Brien
- Judging Amy (1 episode, 2002) as Jasmine Barnes
- Gilmore Girls (8 episodes, 2003–2004) as Tanna Schrick
- Cold Case (1 episode, 2005) as Tiffany - 1965
- Star Trek Generations (1994) as Olivia Picard
- The Brady Bunch Movie (1995) as Cindy Brady
- A Very Brady Sequel (1996) as Cindy Brady
- Crayola Kids Adventures: 20,000 Leagues Under the Sea (1997) as Captain
- Napoleon (1995) as Nancy
- Hey Arnold!: The Movie (2002) as Rhonda Wellington Lloyd
- Open Season 2 (2008) as Charlene
- Bratz: Rock Angelz (2005) as Cloe
- Scooby-Doo! Abracadabra-Doo (2010) as Treena
- Hey Arnold!: The Jungle Movie (2017) as Rhonda Wellington Lloyd
- P. J. Sparkles (1992) as Glowee
- Life with Louie (1 episode, 1995) as Kelly Bassett
- Rocket Power (1 episode, 2000) as Lizzie
- As Told by Ginger (1 episode, 2000) as Hall Monitor
- The Kids from Room 402 (13 episodes, 2000–2001) as Gabrielle
- Rugrats (2001) as Emica
- All Grown Up! (2001, 2003, and 2007) as Emica
- Fillmore! (1 episode, 2003) as Trace
- Astro Boy (2 episodes, 2003–2004) as Various
- Hey Arnold! (42 episodes, 1996–2004) as Rhonda Wellington Lloyd
- Family Guy (4 episodes, 1999–2005) as Various
- Bratz (23 episodes, 2005–2006) as Cloe
- Blood+ (50 episodes, 2005–2006) as Mao, Irene
- Avatar: The Last Airbender (12 episodes, 2006–2008) as Ty Lee
- Psi-Kix (2008) as Various
- Ben 10: Ultimate Alien (1 episode, 2011) as Emily
- Care Bears: Welcome to Care-a-Lot (3 episodes, 2012) as Kaylee, Best Friend Bear, Baby Hugs Bear, and Sweet Dreams Bear
- Star Wars: The Clone Wars (2012) - Katooni
- Care Bears & Cousins (2015 - 2016) - Lotsa Heart Elephant
- Star Wars Forces of Destiny (2018) - Qi'ra
- Burn the Witch - Ninny Spangcole
- Final Fantasy X-2 (2003) as Hana
- Xenosaga Episode II (2005) as Shion Uzuki
- Bratz: Rock Angelz (2005) as Cloe
- Avatar: The Last Airbender (2006) as Ty Lee
- Avatar: The Last Airbender – The Burning Earth (2007) as Ty Lee
- Avatar: The Last Airbender – Into the Inferno (2008) as Ty Lee
- Eat Lead: The Return of Matt Hazard (2009) as QA, Evil QA
- The Sims Medieval (2011) as Sim
- Lightning Returns: Final Fantasy XIII (2013) as Additional Voices
- Epic Seven (2018) as Silk, Armin
- Persona 5 Royal (2020) as Jose
- "Celebrity birthdays on June 16." Miami Herald June 16, 2009: A8. Web. April 29, 2012.
- Francess Lin Lantz (1996). Be a star!. Rainbow Bridge. pp. 20, 56, 90. ISBN 0-8167-3720-7.
- Meredith Berkman (February 24, 1995). "The Youngest One Uncurls". Entertainment Weekly. Retrieved October 9, 2011.
- Christy Slewinski (February 13, 1995). "Grownup Cindy is back into the 'Bunch'". New York Daily News. Retrieved October 9, 2011.
- "21st Annual Young Artist Awards". Young Artist Awards. Retrieved October 8, 2011.
- "22nd Annual Young Artist Awards". Young Artist Awards. Retrieved October 8, 2011.
- Nickelodeon's Hey Arnold! movie gets title; 19 original voice actors returning Entertainment Weekly, Retrieved June 13, 2016
- Square Enix. Lightning Returns: Final Fantasy XIII. Scene: Closing credits, 5 minutes in, Voice Actors, Additional Voices.
- "Olivia Hack (visual voices guide)". Behind The Voice Actors. Retrieved March 27, 2021. A green check mark indicates that a role has been confirmed using a screenshot (or collage of screenshots) of a title's list of voice actors and their respective characters found in its opening and/or closing credits and/or other reliable sources of information.CS1 maint: postscript (link)