Dónal Finn


Dónal Finn is an Irish actor. He is known for playing Mat Cauthon in the Prime Video fantasy series The Wheel of Time and for originating the role of Orpheus in the West End production of Hadestown. He is set to star in upcoming Amazon Prime series Young Sherlock as James Moriarty.

Early life and education

Finn was born and raised in Dromina, County Cork, to parents Dónal Sr. and Maureen. He is one of eight children having come from a farming family in rural Ireland.
Finn was given a place at the London Academy of Music and Dramatic Art with a three-year scholarship through the Overstall Charitable Trust. He graduated with a Bachelor of Arts in acting from LAMDA in 2018.

Career

After graduating from LAMDA, Finn made his first notable appearance in an episode of popular Netflix series The Witcher as a peasant named Nettly in 2019.
Finn also had a small role as a Baker named Albert in Fantastic Beasts: The Secrets of Dumbledore.
In 2022, Finn landed the role of soldier Eoin McGonigal in the first series of the BBC action drama SAS: Rogue Heroes. That same year, he was cast as Mat Cauthon in the second season of The Wheel of Time, succeeding Barney Harris in the role.
In November 2023, it was announced that Finn would be originating the role of Orpheus in the West End production of Hadestown, which later opened in February 2024. Finn left the production on 25 August 2024.
In July 2024, it was announced Finn would star as Professor James Moriarty alongside Hero Fiennes Tiffin's Sherlock Holmes in the upcoming Amazon Prime series Young Sherlock.

Filmography

Film
YearTitleRoleNotes
2019How to Build a GirlKarl Boden
2022Fantastic Beasts: The Secrets of DumbledoreAlbert
2025Four Letters of LoveSean Gore
2025The UprisingThe Priest

Television
YearTitleRoleNotes
2019The WitcherNettlyEpisode: "Four Marks"
2020CursedKurtEpisode: "Cursed"
2022–2025SAS: Rogue HeroesEoin McGonigal4 episodes
2023–2025The Wheel of TimeMat CauthonMain role
2026Young SherlockJames MoriartyUpcoming
TBAThe Other Bennet SisterMr. HaywardFilming

Theatre
YearTitleRoleVenue
2018Chasing BonoIvanSoho Theatre, London
2020AlbionGabrielAlmeida Theatre, London
2022Sing StreetBrendan LalorHuntington Theatre Company, Boston
2024HadestownOrpheusLyric Theatre, London