Dichen Lachman (born 22 February 1982) is an Australian and Nepalese actress notable for appearing in the Australian soap opera "Neighbours" as Katya Kinski and the American science fiction thriller "Dollhouse" as Sierra.
Dichen Lachman (born 22 February, 1982) is an Australian actress. She is best known for appearing in the Australian soap opera "Neighbours" as Katya Kinski and Joss Whedon's American science fiction drama television series "Dollhouse" as Sierra.