Fionn O'Shea (born 2 January 1997) is an Irish actor. He starred in the films Handsome Devil (2016), Dating Amber (2020), Dance First (2023) and Lilies Not for Me (2024). On television, he is known for his roles in the Channel 4 sitcom Hang Ups (2018), the BBC Three & Hulu miniseries Normal People (2020), and the Netflix miniseries House of Guinness (2025).
Early life and education O'Shea attended Gonzaga College in Ranelagh, Dublin. He went on to train at Visions Drama School.
Career In 2007, O'Shea made his film debut in the Irish short film New Boy; it received an Academy Award nomination for Best Live Action Short Film. In 2009, he made his feature film debut, playing an orphan boy in A Shine of Rainbows. Between 2009 and 2012 he appeared on Roy, an Irish-British animated children's television series. In 2016, he portrayed Ned Roche in the Irish comedy-drama film Handsome Devil. At the 15th Irish Film & Television Awards in 2018 he was nominated for Actor in a leading role and Rising Star Award. In 2018 he featured on Hang Ups, a British television sitcom. Also in 2018 he appeared in Innocent, a British television miniseries. In 2019, he played a supporting role in the drama film The Aftermath. In 2020, he played Eddie in Dating Amber, and Jamie in Normal People. His most recent film is Lilies Not for Me, in which he starred as Owen James.
Filmography Film Year Title Role Notes 2007 New Boy Seth Quinn Short film 2009 A Shine of Rainbows Orphan Boy #1 2016 The Siege of Jadotville William Reidy Handsome Devil Ned Roche 2019 The Aftermath Barker 2020 Dating Amber Eddie 2021 Cherry Arnold Wolf Rufus/German Shepherd 2023 Dance First Samuel Beckett 2024 Lilies Not for Me Owen James 2024 Four Letters of Love Nicholas Coughlan The Queen of Fashion Philip Treacy Post-production
Television Year Title Role Notes 2009–2012 Roy Jack 24 episodes2010 The Santa Incident Hamley Television film Jack Taylor Peter Gannon Episode: The Priest 2013 Jack Taylor: Priest Peter Gannon Television film 2014 The Centre Corky Kavanagh Episode #1.52018 Innocent Jack 4 episodes Hang Ups Ricky Pitt 6 episodes2020 The Letter for the King Tristan Episode: "Storm Clouds Gather" Normal People Jamie Recurring role; 5 episodes 2024 Masters of the Air Sgt. Steve Bosser Apple TV+ Miniseries; 2 episodes 2025–present House of Guinness Benjamin Guinness Main role
Awards and nominations Year Award Category Nominated work Result 2017 FilmOut San Diego Best Actor in a Feature (Audience Awards)Handsome Devil 2018Irish Film & Television Awards Actor in a leading role Rising Star Award 2021 Apolo Awards Best Ensemble CastDating Amber Irish Film & Television Awards Lead Actor in a Film Supporting Actor in a Drama Normal People
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