Once Upon a Time Wiki
Once Upon a Time Wiki
Peta Sergeant
General Information
Gender: Female
Birthday: December 7, 1980
Age: 41
Birthplace: Penang Island, Malaysia
Nationality: Australian
Social Networks: Instagram
Other Information
Hair Color: Blonde
Eye Color: Blue
Height: 5' 11"
Weight: 60 kg
Education: Australia's National Institute of Dramatic Art (NIDA)
Project Middle School
Family & Friends
Relationships: Rohan Nichol (husband)
Series Information
Character: The Jabberwocky
First appearance: Nothing to Fear
Last appearance: And They Lived...

Peta Sergeant is an Australian actress best known for her lead role in the Australian television series Satisfaction. She graduated from NIDA.


Her other television credits include the television series All Saints, Winners & Losers, Last Man Standing, Jeopardy, and Canal Road. Film credits include George of the Jungle 2, Patrick and The Bet. She received critical acclaim for her portrayal of a woman on the run in Steve Rodgers' play Savage River for the Griffin Theatre Company. Sergeant received praise as "a stand out performance amid an excellent cast" in Sue Smith's Thrall.

She was cast as Nina Cruz in the Melbourne Theatre Company production of All About My Mother, an adaptation for the stage based on the film by Pedro Almodóvar, directed by Simon Phillips. In 2012, she starred in Iron Sky, as Vivian Wagner, a campaign adviser to a Sarah Palin-like president of the United States, who later becomes general on the US' interplanetary warship USS George W. Bush. In 2013, she starred in Patrick as Nurse William. In 2014, she played the Jabberwocky in Once Upon a Time in Wonderland and Francesca Guerrera in The Originals. In the 2015 telemovie House of Hancock, Sergeant portrayed Rose Porteous. She plays Julia in Snowfall.

In 2010 she was awarded a Mike Walsh Fellowships Special Grant. In 2021, Sergeant joined The CW's Supergirl as Nyxly.


Year Title Type Role
2001 Head Start TV Mini Series Nicole
2001 - 2002 BeastMaster TV Series The Demon Yamira / Yamira
2003 George of the Jungle 2 Video Attractive Woman
2005 Jeopardy TV Series Dr Sharpe
2005 Last Man Standing TV Series Janessa
2005 - 2006 Headland TV Series Rachael
2006 The Bet Lila
2006 Two Twisted TV Mini Series Isabelle Dempsey
2006 - 2007 All Saints TV Series Bianca Frost
2007 - 2009 Satisfaction TV Series Heather
2008 Canal Road TV Mini Series Holly Chong
2009 Early Checkout Short The Body
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