Dónal Finn is an Irish actor who has rapidly gained attention for his lead roles in major fantasy and period productions. From playing Mat Cauthon in Amazon’s The Wheel of Time to portraying James Moriarty in Guy Ritchie’s Young Sherlock, Finn’s career is on an upward trajectory. He also appeared in Fantastic Beasts: The Secrets of Dumbledore and performed as Orpheus in the West End staging of Hadestown.
Born in Dromina, County Cork, and trained at the London Academy of Music and Dramatic Art, Finn combines classical stage craft with a growing presence on screen. His signing with WME in 2026 signaled a major step into the US market.
Who Is Dónal Finn? Biography and Early Life
Known For: Mat Cauthon (The Wheel of Time)
Age: 30 (as of 2026)
Height: Not publicly confirmed
Key Upcoming Role: Young Sherlock (Amazon)
Key Insights
- Finn is an Irish actor rising in prominence due to leading roles in major fantasy and period productions.
- He studied at LAMDA and won the Sir Alec Guinness Award in his final year.
- He signed with WME in 2026, indicating a push into the US entertainment market.
- His career shifted from supporting roles in the Wizarding World to co-lead status in a Guy Ritchie series.
- Finn remains represented by Independent Talent in the UK alongside his US agency.
- He grew up on a farm in Dromina with seven siblings, according to multiple profiles.
- His screen career began around 2022, though he had stage experience before that.
Key Facts About Dónal Finn
| Fact | Detail |
|---|---|
| Full Name | Dónal Finn |
| Date of Birth | 31 August 1995 |
| Place of Birth | Dromina, County Cork, Ireland |
| Nationality | Irish |
| Profession | Actor |
| Known For | Mat Cauthon in The Wheel of Time |
| Agency | WME (William Morris Endeavor) |
| Instagram Followers | 141K+ |
| Notable Film | Fantastic Beasts: The Secrets of Dumbledore (2022) |
| Upcoming Series | Young Sherlock (Amazon) |
According to Dónal Finn Wikipedia, he was raised in a farming family with eight children. His journey to acting began after training at LAMDA, where he earned the Sir Alec Guinness Award, as reported by Screen Daily.
What Movies and TV Shows Has Dónal Finn Been In?
Notable Screen Roles
Finn’s filmography covers a mix of blockbuster films, prestige television, and streaming series. His first major screen appearances came in 2022 with Fantastic Beasts: The Secrets of Dumbledore and the BBC series SAS: Rogue Heroes. He also appeared in How to Build a Girl and The Witcher, according to his IMDb profile.
The Wheel of Time and Mat Cauthon
Finn took over the role of Mat Cauthon in Season 2 of Amazon’s The Wheel of Time (2023–2025). The character is a fan favorite from Robert Jordan’s book series. The part elevated Finn to international recognition, as noted by the Independent Talent Agency Profile.
Young Sherlock and Upcoming Projects
In 2026, Finn appears as James Moriarty in Guy Ritchie’s Young Sherlock for Amazon Prime Video. He also stars as Mr Hayward / Tom Hayward in The Other Bennet Sister. Both projects represent a significant leap into high-profile leading roles. For more on actors sharing similar career arcs, read the Carrie Hope Fletcher – Biography, Roles, Husband, Baby & Books profile.
Finn’s casting as Moriarty places him opposite Hero Fiennes Tiffin’s Sherlock, making this one of the most anticipated streaming releases of 2026. His signing with WME, reported by Deadline, came immediately after his Young Sherlock announcement.
Stage Work and West End
Before his screen breakout, Finn played Ivan in Chasing Bono at Soho Theatre. He later performed as Orpheus in the West End production of Hadestown, a role that showcased his vocal and dramatic range.
What Is Dónal Finn’s Height and Appearance?
Height
Reliable biographical sources, including Wikipedia and his agency profile, do not list a confirmed height. One secondary source claims he is approximately 5’10” (178 cm), but that figure has not been corroborated by authoritative records. The uncertainty is noted across all verified materials.
Eye Color
Based on available photographs, Finn appears to have blue or blue-green eyes, though no official statement regarding his eye color has been published.
Cleft Palate Rumors
No provided source mentions Dónal Finn having a cleft palate. The claim appears to be an unsubstantiated rumor that cannot be confirmed from the available evidence.
None of the authoritative documents – Wikipedia, IMDb, Independent Talent, Screen Daily, or Deadline – reference any medical condition related to Finn’s appearance. Readers should treat unverified claims with caution.
Who Is Dónal Finn’s Partner?
Finn’s relationship status is private. No reliable source – including Wikipedia, IMDb, or his agency profile – provides information about a partner or spouse. The question remains unanswered by verified public records.
Who Represents Dónal Finn?
Finn is represented by Independent Talent in the UK, as shown on the agency’s official actors page. In June 2026, Deadline reported that he had signed with WME (William Morris Endeavor) for representation across all areas, marking a strategic move into the American market.
Dónal Finn Career Timeline
- 1995: Born in Dromina, County Cork, Ireland.
- 2022: Appeared in Fantastic Beasts: The Secrets of Dumbledore.
- 2022: Played a role in SAS: Rogue Heroes.
- 2023–2025: Played Mat Cauthon in The Wheel of Time (Amazon Prime).
- 2024: Starred in Four Letters of Love.
- 2026: Cast as co-lead in Guy Ritchie’s Young Sherlock for Amazon.
- 2026: Signed with WME for representation in all areas (Deadline).
Verified Facts vs. Unconfirmed Details
| Established Information | Information That Remains Unclear |
|---|---|
| Date of birth (31 August 1995) and birthplace (Dromina, County Cork) are confirmed via Wikipedia and IMDb. | Height is not listed on any official source; figures online are speculative. |
| Role in The Wheel of Time is confirmed. | There is no reliable source confirming a cleft palate. |
| Signing with WME is confirmed by Deadline. | Partner or relationship status is private and unconfirmed. |
Analysis: A Rising Irish Star in a Global Market
Dónal Finn’s trajectory from a supporting role in the Wizarding World to a co-lead in a Guy Ritchie series illustrates a calculated move toward leading man status in prestige streaming television. His representation by both Independent Talent (UK) and WME (US) indicates a strategy for transatlantic career management, targeting high-budget genre and period productions. With Young Sherlock poised for global release and further casting announcements likely under his new US agency, Finn is positioned as one of Ireland’s most promising young actors in the international market. Read the Luke Newton – Biography, Age, Height and Career profile for more on actors navigating similar transitions.
Quotes and Source Highlights
“Dónal can be seen as the co-lead in Guy Ritchie’s YOUNG SHERLOCK for Amazon and as Mr Hayward in THE OTHER BENNET SISTER.”
— Independent Talent Profile
“Irish actor Dónal Finn has signed with WME for representation in all areas.”
— Deadline (June 2026)
“On television, he is known for his roles in the Amazon Prime series The Wheel of Time (2023–2025) and Young Sherlock (2025).”
— Wikipedia
What’s Next for Dónal Finn?
Looking ahead, Finn’s calendar includes the release of Young Sherlock on Amazon Prime Video, further casting announcements under his new WME representation, and potential involvement in future seasons of The Wheel of Time beyond 2025.
Frequently Asked Questions About Dónal Finn
How tall is Dónal Finn?
Dónal Finn’s height has not been officially confirmed by reliable biographical sources. Figures found online are speculative.
Does Dónal Finn have a cleft palate?
There is no verified public information or official statement confirming that Dónal Finn has a cleft palate. This appears to be an unsubstantiated rumor.
What is Dónal Finn’s eye color?
Based on available photographs, Dónal Finn appears to have blue or blue-green eyes, though this has not been officially stated.
Is Dónal Finn on Instagram?
Yes, Dónal Finn has an active Instagram account under the handle @donal.finn with over 141,000 followers.
What is Dónal Finn’s role in Fantastic Beasts?
Dónal Finn played a role in Fantastic Beasts: The Secrets of Dumbledore (2022), though the specific character name is not widely highlighted in headlines.
What is Dónal Finn’s role in The Wheel of Time?
He plays Mat Cauthon, a key character, from Season 2 onward (2023–2025).
What is Dónal Finn’s role in Young Sherlock?
He portrays James Moriarty, the co-lead opposite Hero Fiennes Tiffin’s Sherlock.
Who represents Dónal Finn?
He is represented by Independent Talent (UK) and WME (US), as confirmed by Deadline and the agency’s official page.
Is Dónal Finn in Fantastic Beasts 3?
Yes, he appears in Fantastic Beasts: The Secrets of Dumbledore (2022).
What is Dónal Finn’s age?
He was born on 31 August 1995, making him 30 years old as of 2026.
Oliver Arthur Morgan Harrison is a staff writer for StoryShift.uk, covering UK news, culture, politics and technology. He works under Editor-in-Chief Maarika Tamm and UK Managing Editor Oliver Grant, following the newsroom standards for sourcing, verification and fact-checking set out in our editorial policies.