Brick Dollhouse

Dichen Lachman ( DEE-chən LAK-mən;) (born 22 February 1982) is an Australian and Tibetan actress and model. She is best known for her roles as Katya Kinski in the soap opera Neighbours (2005–2007), Sierra in Joss Whedon's science fiction drama series Dollhouse (2009–2010), and Gemma Scout/Ms. Casey in Severance (2022–present).