Dónal Finn
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).
10
Acting Credits
Acting
TV
The Witcher
as Nettly
2019
Movie
Fantastic Beasts: The Secrets of Dumbledore
as Albert (Baker)
2022
TV
The Wheel of Time
as Mat Cauthon
2021
TV
Young Sherlock
as James Moriarty
2026
TV
SAS Rogue Heroes
as Eoin McGonigal
2022
Movie
How to Build a Girl
as Karl Boden
2020
TV
The Other Bennet Sister
as Mr. Hayward
2026
Movie
Four Letters of Love
as Sean Gore
2025
Movie
Albion
as Gabriel
2020
Movie
Angel
as Killian
2018