Caoilfhionn Dunne

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Caoilfhionn Dunne is an Irish actress from Dublin. She was born in Finglas and trained at the Gaiety School of Acting. Since 2008 she has worked in film, television and theatre. Her first screen role was in the RTÉ comedy Little White Lie. On stage she has appeared in productions at the Royal National Theatre and Donmar Warehouse, including The Veil, Wild, Forever Yours Mary Lou, Fathers and Sons, The Nest and The Night Alive. She is known for playing Lizzie in RTÉ's Love/Hate.

In film, she acted in Saint Maud (2019). On TV she plays Jackie Walsh in Industry and Brearn in Britannia. She has been nominated for several awards: the 2013 Evening Standard Theatre Awards for Outstanding Newcomer, the 2014 Irish Film & Television Awards for Best Supporting Actress in a TV series, and the 2017 IFTA for Best Actress for In View. In 2024 she was cast in How to Get to Heaven from Belfast, a Lisa McGee series, and she is set to appear in Steven Knight's A Thousand Blows (2025).