Sonya Walger (born 6 June 1974) is an English actress, best known for her roles on American television. She had starring roles in the short lived sitcoms The Mind of the Married Man (2001-2002) and Coupling (2003), before landing her breakout role as Penny Widmore in the ABC drama series, Lost . Walger later starred on Benford on Tell Me You Love Me (2007), FlashForward (2009-2010), and Common Law (2012). In 2015, she began starring in the upcoming ABC series, The Catch.