She attended Castle Hill High school from 1989 to 1994 Davies graduated from the University of Western Sydney with a Bachelor of Arts in Performance In her breakthrough role, Davies played Donna Parry in the Australian police drama Young Lions in 2002.
Davies also starred in the sitcom Flat Chat and has made guest appearances on Water Rats, McLeod's Daughters and The Secret Life of Us.
Since 2004 Davies has portrayed character Cate McMasters in the medical drama All Saints.
Davies married to Justin "Jay" Hanrahan, a cameraman she met while on All Saints, in January 2008.
In 2016 they separated and filed divorce on 20 March 2017 by the Los Angeles County Superior Court.