Has an English mother and Argentinian father, which leads to her being mislabeled as being Argentinian, but was born, raised and educated in England.
Can speak fluent Spanish and translates Argentinian-Spanish plays into English.
Studied English literature at Oxford University.
In July 2009 she married Davey Holmes.
Walger is the second cast member of the Showtime original series Sleeper Cell to appear on Lost. She played Special Agent Patrice Serxner. Marc Casabani (as Tariq) was the first actor to cameo.
Appeared in the British crime drama Midsomer Murders, where she played a press reporter named Becky Smith.
Had a guest appearance where she played a similar character to Penelope in the show Numb3rs.
Appeared in the US remake of BBC TV show Coupling.
Had a recurring role in BBC sitcom Goodnight Sweetheart.
Was originally offered the role of "Kate" for the pilot, but refused to move to Hawaii. Since then, she maintained contact with the producers who offered her several roles, finally agreeing to play Penelope at the end of Season 2. [1]