Claire Rhiannon Holt (born 11 June 1988) is an Australian-American actress. She made her acting debut playing Emma Gilbert in the fantasy series H2O: Just Add Water (2006–2008), before moving to America and making her film debut in 2009. After appearing in the television sequel Mean Girls 2 and the first two seasons of Pretty Little Liars (both 2011), she had her breakthrough playing Rebekah Mikaelson in the CW supernatural drama series The Vampire Diaries (2011–2014), The Originals (2013–2018) and Legacies (2021–2022). The role earned her acclaim and a Teen Choice Award nomination. She also starred in the NBC period crime drama series Aquarius (2015–2016), to further acclaim.