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).
Fantastic Beasts: The Secrets of Dumbledore
(Albert (Baker))
Four Letters of Love
(Sean Gore)
How to Build a Girl
(Karl Boden)
Albion
(Gabriel)
Angel
(Killian)
Love Have I Known
(2nd Lieutenant Williams)
The Wheel of Time
(Mat Cauthon)
The Witcher
(Nettly)
SAS Rogue Heroes
(Eoin McGonigal)
Young Sherlock
(James Moriarty)
The Other Bennet Sister
(Mr. Hayward)