Niamh Walsh (born 17 April 1988) is an Irish actress.
Career She is best known for her role as Cara Martinez the in BBC One medical drama Holby City. Walsh also appeared in Casualty and Jekyll and Hyde. She starred in the Sky 1 period drama Jamestown as Verity Rutter née Bridges. Before production, Walsh stated that she "researched a lot for this role. I love all that stuff. Bill [Gallagher] used real people as the basis for some of his characters. And by reading books about the period you learn little things that even if the audience doesn’t see it, it adds to your performance."
In 2021, Walsh appeared alongside Dervla Kirwan, Seána Kerslake and Gemma-Leah Devereux in the RTÉ One thriller drama series Smother, in which she portrayed Jenny, the eldest Ahern sibling. In an article with the Irish Independent, Walsh shared her interest in portraying one of the powerful and independent woman in the series, as stated:
On 26 May 2021, Walsh was cast in the Netflix adaptation of DC Comics's The Sandman, portraying the young Ethel Cripps.
Filmography Film Year Title Role Notes 2012 Rat Trap Amy Short films 2014 Forever Girl 2015 Send in the Clowns Alex
Television Year Title Role Notes 2013 Casualty Hannah Spence Episode: "Smoke and Mirrors" 2015 Jekyll and Hyde Maggie Kendall Episode: "The Cutter" 2015–2016 Holby City Cara Martinez Series 17 & 18; 45 episodes 2017–2019 Jamestown Verity Bridges/Rutter Series 1–3; 24 episodes 2019, 2023 Good Omens Greta Kleinschmidt 2 episodes 2020 The English Game Martha Almond Mini-series; 6 episodes 2021–2023 Smother Jenny Ahern Series 1–3; 18 episodes 2022 The Sandman Young Ethel Cripps 3 episodes 2024 Wreck Devon Devereaux 6 episodes Dead and Buried Lena McAllister 4 episodes 2025 Lynley Helen Clyde 3 episodes The Revenge Club Bex Mini-series; 2 episodes 2026 Girl Taken Zoe 3 episodes
Audio Year Title Role Author Production company Notes 2021 The Sandman: Act II Nuala Neil Gaiman, Dirk Maggs Audible
Stage Year Title Role Location 2013 Middlemarch Rosamond Orange Tree Theatre 2014 The Man Who Shot Liberty Valance Hallie Jackson Park Theatre
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