Dichen Lachman (/ˈdiːtʃən ˈlækmən/ DEE-chən LAK-mən; born 22 February 1982) is an Australian actress and model. She gained recognition starring as Katya Kinski in the soap opera Neighbours (2005–2007) and Sierra in Joss Whedon's science fiction drama series Dollhouse (2009–2010).

She has starred in numerous series, including Being Human (2012), Last Resort (2012–2013), Altered Carbon (2018–2020), and has starred as Jiaying in the superhero drama series Agents of S.H.I.E.L.D. (2014–2020) and wellness counsellor Ms. Casey in the thriller series Severance (2022–present).

Lachman has also appeared in numerous films, including Lust for Love (2014), Too Late (2015), Bad Therapy (2020), and Kingdom of the Planet of the Apes (2024). She also portrayed Soyona Santos in the Jurassic Park film Jurassic World Dominion (2022) and the animated series Jurassic World: Chaos Theory (2024–2025).Dichen Lachman, licensed under CC-BY-SA, full list of contributors on Wikipedia.