Complex sentence: Dichen Lachman (born 22 February, 1982) is an Australian actress, best known for appearing in the soap opera "Neighbours" as Katya Kinski and Joss Whedon's science fiction drama television series "Dollhouse" as Sierra.
Split into simpler sentences: Dichen Lachman (born 22 February, 1982) is an Australian actress. She is best known for appearing in the soap opera "Neighbours" as Katya Kinski and Joss Whedon's science fiction drama television series "Dollhouse" as Sierra.