Sonya Walger (born 6 June 1974) is an English actress known for her roles in the ABC series Lost as Penelope "Penny" Widmore, and as Olivia Benford on ABC's FlashForward.

Filmography

• 2026Forge — Ann Lasalle
• 2023New Life — Elsa Gray
• Night Sky — Hannah
• 2020Darkness Falls — Jane Wilson
• 2019Bad Impulse — Christine Sharpe
• 2019Clementine — D.
• For All Mankind — Molly Cobb
• 2018Anon — Kristen
• 2018Then Came You — Claire
• 2017Be My Baby — Sarah
• Get Shorty — Lila
• Ghosted — Eckhart
• Criminal Minds: Beyond Borders — Marion Codwell
• 2016Summer of 8 — Diane
• The Catch — Margot Bishop
• 2016Visible — The Visible Girl
• 2015Baby, Baby, Baby
• 2015The Escort — Samantha
• Power — Madeline Stern
• Scorpion — Olivia Cromwell
• 2014The Good Sister — Kate / Linda
• The Leftovers — Dr. Allison Herbert (voice)
• 2013Admission — Helen
• 2013Cold Turkey — Lindsay
• Common Law — Dr. Elise Ryan
• Elementary — Angela White
• Scandal — Katherine Winslow
• 2012The Factory — Shelley
• Parenthood — Meredith Peet
• FlashForward — Olivia Benford
• In Treatment — Julia
• 2008Sweet Nothing in My Ear — Joanna Tate
• Terminator: The Sarah Connor Chronicles — Michelle Dixon
• Tell Me You Love Me — Carolyn
• 2006Caffeine — Gloria
• Numb3rs — Susan Berry
• CSI: NY — Jane Parsons
• Lost — Penelope Hume
• 2004The Librarian: Quest for the Spear — Nicole Noone
• Coupling — Sally Harper
• The Mind of the Married Man — Donna Barnes
• 2001The Search for John Gissing — Sister Mary
• 2000Eisenstein — Zina
• 1999All the King's Men — Lady Frances
• Law & Order: Special Victims Unit — Anne Barnes
• Noah's Ark — Miriam
• The Vice — Emma
• 1998Mosley — Barbara Hutchinson
• Midsomer Murders — Becky Smith
• Goodnight Sweetheart — Flic

Appearances as themselves (2)

• 2024Getting LOST — Self
• The Late Late Show with Craig Ferguson — Self