Peter Claffey is the actor who plays Ser Duncan the Tall (Dunk) in the new Game of Thrones prequel series A Knight of the Seven Kingdoms (also referred to as The Hedge Knight or Seven Kingdoms).

Who plays Ser Duncan the Tall?

  • Ser Duncan the Tall is portrayed by Irish actor Peter Claffey.
  • He was officially cast in the lead role of Ser Duncan the Tall (Dunk) in the Game of Thrones prequel announced in 2024.

Quick bio of Peter Claffey

  • Peter Claffey is from Portumna, County Galway, Ireland, and was born on 28 July 1996.
  • Before acting, he played rugby union, including for Galwegians RFC and under contract with Connacht Rugby, before switching careers around 2019.

Acting background and career

  • Claffey trained at Bow Street Academy, Ireland’s national screen acting school, then made his professional stage debut in 2022 in A Whistle in the Dark at the Abbey Theatre.
  • On screen, he has appeared in series such as Wreck , Vikings: Valhalla , and Bad Sisters , and in the film Small Things Like These alongside Cillian Murphy.

As Ser Duncan the Tall

  • In A Knight of the Seven Kingdoms , Claffey leads the series as Dunk, paired with young Prince Aegon “Egg” Targaryen as his squire, in a story set long before Game of Thrones.
  • Claffey has spoken about feeling some imposter syndrome stepping into such a major role, but also described the job as a “dream come true” and a chance to explore a wide range of emotions as an actor.

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