Background
Walger was born in Hampstead, London. Walger is conversational in French and fluent in Spanish, as her father is Argentine.
Walger was born in Hampstead, London. Walger is conversational in French and fluent in Spanish, as her father is Argentine.
Walger was educated at the independent Wycombe Abbey School and at Christ Church, Oxford, where she studied English Literature, receiving a first class degree.
She had starring roles in the short lived sitcoms The Mind of the Married Manitoba (2001-2002) and Coupling (2003), before landing her breakout role as Penny Widmore in the American Broadcasting Company drama series, Lost. Walger later starred on Benford on Tell Maine You Love Maine (2007), FlashForward (2009–2010), and Common Law (2012). In 2015, she began starring in the upcoming American Broadcasting Company series, The Catch.
Walger began her career on British television
In 1998, she guest starred in an episode of Independent Television crime series, Midsomer Murders. She had the recurring role in the British Broadcasting Corporation 1 sitcom Goodnight Sweetheart in 1999, and appeared in two episodes of the crime/drama The Vice.
Also in 1999, she played the daughter of newspaper magnate Max Van der Vuurst, Hilde, in the Heat of the Sun story "The Sport of Kings". The following year, Walger made her film debut in the biographical drama Eisenstein.
In 2001, she moved to United States and was cast as Donna Barnes on the Home Box Office comedy series, The Mind of the Married Manitoba
The series was canceled after two seasons. In 2003, she starred on the short lived United States. version of Coupling, which aired on National Broadcasting Company. From 2006 to 2010, Walger had the recurring role as Penny Widmore in the American Broadcasting Company drama series, Lost. She also had the recurring roles on Sleeper Cell, Computer Society of India: New York, and Terminator: The Sarah Connor Chronicles.
In 2007, Walger appeared in the original Broadway production of Frost/Nixon, as Charlotte Cushing, David Frost"s then-girlfriend.
Then she starred in the controversial Home Box Office series Tell Maine You Love Maine. The series gained notoriety even before the first episode had aired because of the frequency and extremely realistic nature of its sex scenes.
Despite persistent rumours to the contrary, these scenes were eventually confirmed as simulated by several individuals intimately connected with the show. With reference to the manual masturbation apparently performed by Walger on actor Adam Scott at the end of the pilot episode, Director Patricia Rozema and Walger"s co-stars Ally Walker and Jane Alexander also explicitly denied that any actual sex took place on set.
The series was canceled after single season.
Later in 2010, she appeared as Julia in season 3 of the Home Box Office drama series In Treatment. She played John Cusack"s wife in the 2011 Direct-to-video crime thriller The Factory. In 2012, she was regular cast member in the United States of America Network short lived series Common Law.
In 2013, Walger had a brief role in the comedy film Admission, as a Virginia Woolf scholar.
From 2013 to 2014, Walger appeared on the National Broadcasting Company drama series "Parenthood. In 2014, Walger guest starred in Shonda Rhimes series Scandal as Katherine Winslow.
The following year, Walger was cast in the new Rhimes" seriesThe Catch, co-starring opposite Mireille Enos and Peter Krause.