Isla Lang 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 opposite Vince Vaughn and Owen Wilson.
Fisher was born in Muscat, Oman to Scottish parents. She has two brothers. Fisher moved with her family to Perth, Western Australia, when she was nine months old. 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.
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.
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.
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. In 2008, she starred in Wedding Daze, Definitely, Maybe, and had a voice role in Horton Hears a Who!
Fisher resides in Los Angeles, California, as well as in London, with her fiancé, English comedian Sacha Baron Cohen. She has a daughter, Olive, born in 2007.