Peter Claffey is an actor and former Rugby Union player who appeared in the highly-acclaimed drama “Small Things Like These” (2024), playing alongside Cillian Murphy. Claffey has also appeared in television series such as “Vikings: Valhalla” (2024), “Bad Sisters” (2022–2024), and “Borderline” (2024). He has a leading role in “A Knight of the Seven Kingdoms” (2026), in which he stars as Ser Duncan the Tall.