Was involved with actor Eric Stoltz while in Wales filming Very Annie Mary (2001).
Often mistaken for actress Juliette Lewis, to whom she bears a striking resemblance
Once said to Bill Hunter, in a bout of insecurity, on the set of Muriel's Wedding (1994), "I'm kinda waiting for them to find out that I can't act". He encouraged her with the reply, "Rachel, I've been waiting 40 years, and they never find out!"
Ran topless through Melbourne's Crown Casino on its opening night in protest. Was asked by media why she felt the need to do so and replied :"If I didn't flash my tits, you wouldn't have put me in the paper!"
Graduated from Victoria College in Melbourne, Victoria, Australia with a bachelors degree in Education.
Plays Ermine Jung, George's (Johnny Depp's) mother, in Blow (2001), although she's actually five years younger than Depp.
Plays Dennis Quaid's wife in The Rookie (2002) and Val Kilmer's wife in Comanche Moon (2008). Quaid played "Doc" Holliday in Wyatt Earp (1994), and Kilmer played the same part in Tombstone (1993).
Lives in Los Angeles, California, USA. 
Lives on the northern beaches in Sydney, New South Wales, Australia. 
On Who Do You Think You Are? (2008), she discovered that her English-born paternal great-great-grandfather, Louis Francis Mallan, was Jewish, and traced her ancestry back to Benjamin Wolf Levy, who was born, c. 1664, in Hamburg, Germany, and later moved to London, England.
(December 31, 2002) Married her longtime boyfriend Andrew Taylor in a moonlit ceremony on New Year's Eve in their hometown of Melbourne, Australia following a 6-month-long engagement.
Has three children with her husband Andrew Taylor: one son, Banjo Patrick Taylor (b. November 22, 2003 in Melbourne, Australia), and two daughters - Adelaide Rose Taylor (b. June 23, 2005 in Los Angeles, California at 8 lbs) and Clementine Grace Taylor (b. June 21, 2009).
In Six Feet Under (2001)'s season 3, she missed four episodes due to her first pregnancy with son Banjo. Her second pregnancy with daughter Adelaide was written into the show's final season and she appeared in almost every episode of the series.
Suffered a ruptured uterus during daughter Clementine's birth in June 2009, which nearly ended her life. She spent a total of three days undergoing surgery, and recovered from the condition.