Born: Isla Lang Fisher on 3 February 1976, in Muscat, Oman.

Isla Fisher is an Australian actress and author. She began acting on Australian Television, and is best known for her role of Shannon Reed on the Australian soap opera Home and Away and for her role in the 2005 comedy Wedding Crashers.

Fisher was born in Muscat, Oman, to Scottish parents, a father who worked for the United Nations and a romance novelist mother. She moved with her family to Perth, Western Australia, when she was nine months old. She began appearing in commercials on Australian television at the age of nine, before going on to win roles in popular children's television shows Bay City and Paradise Beach. She attended Methodist Ladies' College and appeared in lead roles in school productions.

At the age of 18, with the help of her mother, Fisher wrote two teen novels, Bewitched and Seduced by Fame, that became bestsellers. From 1994 to 1997 she played the role of Shannon Reed on the hit Australian soap opera Home and Away. After leaving the popular soap to pursue new challenges, Fisher enrolled at a prestigious theatre and arts training school in Paris, and went on to appear in pantomime in the United Kingdom. She also toured with Darren Day in the Summer Holiday musical, and appeared in a London theatre production called Così. Fisher's ambition was always to progress onto the big screen however, and in 2002 she had a part in the film version of Scooby-Doo as Mary-Jane, Shaggy Rogers's love interest, and subsequently was taken on by an American agent. A larger role in Wedding Crashers, alongside Vince Vaughn and Owen Wilson, in 2005 won her the Breakthrough Performance Award at the MTV Movie Awards.

All I know is that I've ruled out wearing fairy wings. When I was nine I wanted to get married in fairy wings, and now I realize that's not cool anymore.

In 2006, Fisher starred as Becca, a Manhattan party host in the offbeat relationship drama London co-starring Jessica Biel, Chris Evans and Jason Statham. In 2007 she appeared in The Lookout, a thriller co-starring Joseph Gordon-Levitt and Matthew Goode, and Hot Rod, opposite Andy Samberg. She then appeared in Wedding Daze (2007), co-starring Jason Biggs, Definitely, Maybe, (2008) with Rachel Weisz and Abigail Breslin, and will have a voice role in Horton Hears a Who (2008). She has signed up to act in the movie adaption of the book Confessions of a Shopaholic, the filming of which will start in January 2008.

Fisher resides in Los Angeles, California, as well as in London, with her fiancé, comedian Sacha Baron Cohen. She gave birth to her first child in October 2007, a daughter they named Olive.