Oona Castilla Chaplin (born 4 June 1986) is a Spanish–Swiss actress. Her roles include Talisa Maegyr in the HBO TV series Game of Thrones, Kitty Trevelyan in the BBC drama The Crimson Field, and Zilpha Geary in the series Taboo. A member of the Chaplin family, she is the daughter of actress Geraldine Chaplin, granddaughter of English filmmaker and actor Charlie Chaplin, and great-granddaughter of Irish-American playwright Eugene O'Neill. She was named after her maternal grandmother Oona O'Neill, Charlie Chaplin’s fourth and final wife.

Filmography

• 2031Avatar 5 — Varang
• 2029Avatar 4 — Varang
• 2025Avatar: Fire and Ash — Varang
• 2025Heroic Dose — The Moon
• 2022Lullaby — Rachel
• Treason — Maddy De Costa
• Made for Love — Alice
• 2020Guardians of Life
• The Comey Rule — Lisa Page
• 2018My Dinner with Hervé — Katie
• 2017Anchor and Hope — Eva
• Taboo — Zilpha Geary
• Cain's Father — Mercedes
• 2016Realive — Naomi
• 2015Dancing for My Havana — Rosa
• 2015The Longest Ride — Young Ruth
• 2014A Quiet Night In — Sabrina
• 2014Aloft — Alice
• 2014Hoke
• Inside No. 9 — Sabrina
• 2014Purgatory — Marta
• The Crimson Field — Kitty Trevelyan
• Dates — Mia
• 2013Powder Room — Jess
• 2013The Sorrows — Sarah
• 2013What If — Julianne
• Black Mirror — Greta
• Game of Thrones — Talisa Stark
• 2011Salar — Sandra
• 2011The Devil's Double — Beauty
• The Hour — Marnie Madden
• 2011What's a Bear For? — Rosa
• El Gordo: A True Story — Silvia
• Married Single Other — Fabiana
• 2010Pelican Blood — Linda
• Sherlock — Jeanette
• 2009Imago Mortis — Arianna
• 2008Inconceivable — Laura Chappel
• 2008Quantum of Solace — Perla de las Dunas Receptionist
• Spooks: Code 9 — Kate
• Spooks — Kate
• Mapuche, brotes de la tierra

Appearances as themselves (5)

• 2025Avatar: A New Era - Special Edition of 20/20 — Self
• 2025The Wonderful World of Disney: Holiday Spectacular — Self
• 2020Epicentro — Self
• C à vous — Self - Guest
• El hormiguero — Self