Peter Claffey is an Irish actor and former professional rugby union player who has been cast as Ser Duncan the Tall in the upcoming HBO series A Knight of the Seven Kingdoms, a prequel to Game of Thrones. Born on 28 July 1996 in Portumna, County Galway, Claffey retired from rugby in 2019 and turned to acting, training at Dublin’s Bow Street Academy.
Standing at approximately 1.96 m (6 ft 5 in), his athletic background made him a natural fit for the role of the towering hedge knight. Claffey’s acting career began on stage at the Abbey Theatre and has since expanded to television and film, including roles in Bad Sisters, Wreck, and Small Things Like These. In 2025, he was named one of Screen International’s “Stars of Tomorrow,” marking him as a rising talent to watch.
Who Is Peter Claffey?
- Full Name: Peter Claffey
- Born: 28 July 1996 (age 29), Portumna, County Galway, Ireland
- Profession: Actor, former professional rugby union player
- Notable Upcoming Role: Ser Duncan the Tall in HBO’s A Knight of the Seven Kingdoms (2026)
- Peter Claffey transitioned from professional rugby to acting after injuries ended his career.
- He trained at Bow Street Academy in Dublin and is represented by Lisa Richards Agency.
- He is set to play the iconic role of Ser Duncan the Tall in the Game of Thrones prequel, bringing his athletic background to the physically demanding part.
- His height (estimated 6’5″ or 196 cm) is a key attribute for the role, matching the character’s description.
- His acting debut came in the 2024 film Small Things Like These.
| Attribute | Value |
|---|---|
| Date of Birth | 28 July 1996 |
| Age | 29 (as of 2025) |
| Place of Birth | Portumna, County Galway, Ireland |
| Height | Approx. 6’5″ (196 cm) — unconfirmed |
| Former Rugby Position | Back row / forward (Connacht Rugby, Ireland U20s) |
| Acting Debut | Small Things Like These (2024) |
| Breakthrough Role | Ser Duncan the Tall in A Knight of the Seven Kingdoms (2026) |
| Training | Bow Street Academy, Dublin |
Was Peter Claffey a Rugby Player?
What Was His Rugby Career?
Claffey played club rugby for Buccaneers RFC, Galwegians RFC, and Terenure RFC before joining the Connacht Rugby academy in 2015. He signed a professional contract with Connacht for the 2018–19 season and played as a lock forward, a role requiring strength in the scrum. Though recruited as a prospect, he did not make senior appearances for Connacht.
Why Did He Retire?
Claffey retired from professional rugby in 2019 due to dissatisfaction with the sport, according to interviews. Injuries also played a role in his decision to step away. He then moved to Dublin and enrolled at Bow Street Academy to train as an actor.
Did He Play for Ireland?
Yes, Claffey represented Ireland at the under-20s level, a significant achievement in his rugby career. This international experience added to his credibility as a player before his transition to acting.
Claffey’s physicality and height, honed through years of rugby, directly contributed to his casting as Ser Duncan the Tall. His former coach at Buccaneers RFC described him as a “seriously good rugby player” who might have had a different career path had it not been for untimely injuries.
What Movies and TV Shows Has Peter Claffey Been In?
Upcoming Role in A Knight of the Seven Kingdoms
Claffey will play Ser Duncan the Tall, a key character in George R.R. Martin’s The Hedge Knight novella, adapted into HBO’s prequel series A Knight of the Seven Kingdoms (2026). The character is described as “an inch short of seven feet tall” at age 17, making Claffey’s 6 ft 5 in frame slightly shorter but still imposing. The role marks his first lead in a major television production.
Television and Film Credits
- Wreck (BBC Three, 2022–2024): Cormac Kelly (main role)
- Bad Sisters (Apple TV+, 2022 & 2024): Callum (S1) and Joe Walsh (S2) — a rare dual role in the same series
- Vikings: Valhalla (2024): Dunstan
- Borderline (2024): Conor Byrne
- Harry Wild (2022): Billy Lund
- Small Things Like These (2024 film): Barry — his cinematic debut
Stage Work
Claffey performed in the sold-out run of Tom Murphy’s A Whistle in the Dark at the Abbey Theatre in Dublin (2022–2023), receiving critical acclaim for his stage presence.
Claffey’s dual role in Bad Sisters — playing two different characters across two seasons — demonstrates his range as a performer early in his career.
What Is Peter Claffey’s Height?
Peter Claffey’s height is commonly reported as 6 ft 5 in (1.96 m), based on his rugby physique and the demands of his role as Ser Duncan the Tall. However, no official source has confirmed an exact measurement. His Instagram profile and IMDb page list similar figures, but these remain estimates.
While 6’5″ is widely cited in news articles and fan discussions, there is no verified measurement from Claffey or his representatives. The figure is consistent with his athletic background but should be treated as an approximation.
Is Peter Claffey Married? Does He Have a Family?
Available sources do not mention a wife, daughter, or other family members beyond his birthplace and education. No public records confirm a spouse or child as of now. Any claims about his marital status or children are speculative and not supported by reliable information.
Claffey appears to keep his personal life private, and no interviews or official biographies have addressed family details. This is common for actors early in their careers.
What Is the Timeline of Peter Claffey’s Career?
- 1996: Born in Portumna, County Galway, Ireland.
- 2010s: Played rugby for Connacht Rugby and represented Ireland at under-20s level.
- 2019: Retired from professional rugby due to injuries and began pursuing acting.
- 2020–2023: Trained at Bow Street Academy, took stage and screen roles.
- 2024: Appeared in the film Small Things Like These.
- 2025: Cast as Ser Duncan the Tall in HBO’s A Knight of the Seven Kingdoms (upcoming).
- 2025: Named one of Screen Daily’s “Stars of Tomorrow 2025.”
What Is Confirmed About Peter Claffey and What Remains Uncertain?
| Established Information | Information That Remains Unclear |
|---|---|
| Birth date and place (28 July 1996, Portumna, County Galway) | Exact height (commonly estimated at 6’5″ but not officially confirmed) |
| Rugby career for Connacht and Ireland U20s | Marital status and whether he has a wife or daughter |
| Acting training at Bow Street Academy | Details about his family beyond birthplace and education |
| Upcoming role as Ser Duncan the Tall in A Knight of the Seven Kingdoms | Future film and television projects beyond the HBO series |
Why Is Peter Claffey’s Casting in A Knight of the Seven Kingdoms Significant?
As a former rugby player, Claffey’s physicality and height make him a natural fit for Ser Duncan the Tall, a character known for his size and strength. His acting career is still nascent, with only a few credits, but his casting in a major HBO production signals industry confidence. The Screen Daily “Stars of Tomorrow” feature highlights his potential as a rising talent in the Irish and international film industry. Additionally, his rugby background may attract crossover interest from sports fans, expanding the audience for the series.
Where Can I Find Reliable Information About Peter Claffey?
“A former Ireland under-20s rugby player, Galway native Peter Claffey hung up his boots in 2019 and turned to acting, making screen and stage appearances.”
“Peter Claffey (born 28 July 1996) is an Irish actor and former professional rugby union player.”
“He was a seriously good rugby player but he desperately got injured at the wrong times. No injuries and he wouldn’t be where he is today.”
— Reddit (rugbyunion subreddit)
Other authoritative sources include IMDb, Instagram: @peter_claff, and the HBO Official Site: A Knight of the Seven Kingdoms.
What’s Next for Peter Claffey?
The premiere of A Knight of the Seven Kingdoms on HBO is expected in 2026, though no exact release date has been announced. Claffey may take on further film and television roles, building on his Screen Daily recognition. He also maintains an active presence on Instagram, where he shares aspects of his acting and music work. For more on Irish talent, read Amy De Bhrún – Biography, Movies, TV Shows and Key Facts.
Frequently Asked Questions
Does Peter Claffey have a daughter?
There is no reliable source confirming he has a daughter. This may stem from confusion or unverified social media posts.
What is Peter Claffey’s Instagram?
His Instagram handle is @peter_claff, where he posts about acting, music, and personal life.
What other Game of Thrones projects is Peter Claffey in?
As of now, he is only confirmed for A Knight of the Seven Kingdoms, the upcoming HBO prequel. No other Game of Thrones roles are known.
How old is Peter Claffey?
He was born on 28 July 1996, making him 29 years old as of 2025.
Where was Peter Claffey born?
He was born in Portumna, County Galway, Ireland.
What award did Peter Claffey win in 2025?
He was named one of Screen International’s “Stars of Tomorrow” in 2025.
Did Peter Claffey play for Ireland in rugby?
Yes, he represented Ireland at the under-20s level.
Henry William Morgan Harrison is a staff writer for NorwichWire.co.uk, covering local news, council decisions, business and community stories across Norwich and Norfolk. He works under Editor-in-Chief William Hargreaves and Managing Editor Clara Benson, following the newsroom standards for sourcing, verification and fact-checking set out in our editorial policies.