Cast & creator
Dónal Finn
Best known for The Uprising, The Witcher, The Wheel of Time
Dónal Finn is an Irish actor known for playing Mat Cauthon in the Prime Video fantasy series The Wheel of Time (2023). A graduate of the London Academy of Music and Dramatic Art, he has also appeared in SAS: Rogue Heroes (2022), Fantastic Beasts: The Secrets of Dumbledore (2022), originated the role of Orpheus in the West End production of Hadestown (2024), and co-starred as James Moriarty in the Guy Ritchie Amazon series Young Sherlock (2026).
Also known as: Donal Finn
8
film credits
5
television credits
13
2018–2026 · acting roles
7.3
average across scored titles
Signature credits
Known for
Across film & television
Filmography (13)
Showing 13 of 13 credits
The Uprising
Village Priest
2026
The Witcher
Nettly
2019
The Wheel of Time
Mat Cauthon
2021
Young Sherlock
James Moriarty
2026
Fantastic Beasts: The Secrets of Dumbledore
Albert (Baker)
2022
SAS Rogue Heroes
Eoin McGonigal
2022
The Other Bennet Sister
Mr. Hayward
2026
How to Build a Girl
Karl Boden
2020
Four Letters of Love
Sean Gore
2025
Hadestown - West End Cast 2024
Orpheus
Angel
Killian
2018
Love Have I Known
2nd Lieutenant Williams
2019
Albion
Gabriel
2020