n December 2005, Tonkin was cast during the role of Cleo Sertori to the Australian young children’s tv collection H2O: Just Incorporate Drinking water which follows the life of three teenage girls who develop into mermaids. Tonkin enhanced on her swimming capabilities in the course of the pre-manufacture of the series. The series premiered on 7 July 2006 on Network Ten and has given that long gone on to be aired to a worldwide viewers of over 250 million. To advertise the series she and her co-stars offered the ideal band award within the Nickelodeon British isles Young ones’ Preference Awards in October 2007. In 2008, Tonkin was nominated for “Finest Lead Actress inside of a Television Collection” in the prestigious Australian Movie Institute Awards.[3] The sequence ran for three seasons with the collection finale airing on sixteen April 2010.

Tonkin with the GQ Guys With the 12 months Awards 2012

Tonkin has also appeared on fellow Australian tv demonstrates Packed into the Rafters and residential and Absent.[four][greater resource desired] In September 2010, Tonkin built her movie debut starring while in the Australian motion ensemble film Tomorrow, If the War Started. During the film, which revolves all-around a group of teens waging a guerrilla war towards an invading foreign electrical power of their fictional hometown of Wirrawee, she performed the purpose with the abundant and uptight Fiona Maxwell. In December 2010, a sequel was announced with Tonkin predicted to return,[five] though production of a sequel never came to fruition.

In January 2011, Tonkin moved to Los Angeles to go after a world performing profession.[6] She was Forged in March 2011 as Faye Chamberlain around the CW supernatural drama collection The key Circle[seven] which premiered on fifteen September 2011 to above 3.five million viewers.[8][9] The sequence follows a bunch of younger witches who’re a Portion of a mystery coven. For her overall performance, Tonkin has received significant acclaim, with critics referring to her as the crack-out star from the collection; she was highlighted on Wide variety’s list of “new faces to look at”[10] and named certainly one of 2011's split-out Television stars by E! On the net.[11] The key Circle, having said that, experienced only one comprehensive time as it was cancelled on eleven Could 2012.[12]

In August 2010, Tonkin was Solid inside the 3D horror movie Bait 3D.[thirteen] Filming befell on Australia’s Gold Coastline and follows a group of strangers that are trapped in the supermarket after a freak tsunami which has a pack of great white sharks. The movie was envisioned to generally be introduced in Australia in September 2012. In August 2012, Tonkin joined the cast of your CW television collection, The Vampire Diaries, in the recurring purpose of Hayley, a pal of Tyler. She joined her co-star from H2O: Just Add Drinking water, Claire Holt, who portrays Rebekah Mikaelson to the display.[14]

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On 11 January 2013, The CW verified that a spin-off sequence on the Vampire Diaries was during the performs, titled The Originals. The series revolves all-around the first Vampire loved ones, and Tonkin would “be intensely featured from the future pilot” from the collection.[fifteen] The CW verified on 13 February that Claire Holt would also be a part of the cast in the Originals, marking the third time Tonkin and Holt have starred jointly with a present.[16]

On fifteen Could 2017, SBS introduced that Tonkin were Forged of their new four element drama Harmless Harbour about a bunch of Australians who encounter a boat of refugees whilst sailing on holiday vacation.[seventeen] Tonkin unveiled the title of her character to be “Olivia” on Instagram.[18] In 2018, she appeared vampire diaries books on an episode from the Affair as Delphine, the protégé of an art gallery proprietor who experienced an affair with Cole’s father.[19][20]