Peter Claffey

Peter Claffey (born 28 July 1996) is an Irish actor and former professional rugby union player. A former Connacht Rugby prospect, he retired from the sport in 2019 to pursue acting. He is best known for portraying Ser Duncan "Dunk" the Tall in the HBO fantasy series A Knight of the Seven Kingdoms (2026).

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Peter Claffey's screen work to date leans strongly toward Drama and Crime, a consistent thread across his credits so far.

Peter Claffey's most notable role to date came in Vikings: Valhalla (2022), where he played Dunstan. He also appeared in A Knight of the Seven Kingdoms (2026) as Ser Duncan 'Dunk' the Tall. Most recently appeared in Small Things Like These (2024) as Barry.

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