Sonya Walger (born 6 June 1974) is an English actress. She had starring roles in the short lived sitcoms The Mind of the Married Man (2001-2002) and Coupling (2003), before landing her 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 2016, she began starring in the ABC series The Catch.