Phillips grew up in Darwin in the Northern Territory of Australia where she was a founding member of the Corrugated Iron Youth Theatre.
Other films of note include Sundance award-winning; Animal Kingdom, Walking on Water, BackTrack, The Pack, A Wreck A Tangle, and The Tank.
In 2002 Phillips played Mabel Fine in Icon's telemovie The Three Stooges with Michael Chiklis, Paul Ben Victor, and Evan Handler.
Phillips has appeared in many Australian TV series including McLeod's Daughters, The Secret Life of Us, Farscape, Stingers, Murder Call, Good Guys Bad Guys, Water Rats, Wildside, The Killing Field, Heartbreak High, Terra Nova, Bastard Boys, Crownies, and City Homicide.
Phillips starred in Foxtel's 2014 miniseries Devil's Playground with Toni Collette.