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).
Cast
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)
The Wheel of Time
(Mat Cauthon)
The Witcher
(Nettly)
SAS Rogue Heroes
(Eoin McGonigal)
Young Sherlock
(James Moriarty)
The Other Bennet Sister
(Mr. Hayward)