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).
Known for
Filmography
Hadestown - West End Cast 2024
TBA · Movie · Orpheus
7.9The Uprising
2026 · Movie · Village Priest
8.3The Other Bennet Sister
2026 · TV · Mr. Hayward · 6 ep
7.8Young Sherlock
2026 · TV · James Moriarty · 11 ep
6.0Four Letters of Love
2025 · Movie · Sean Gore
7.8SAS Rogue Heroes
2022 · TV · Eoin McGonigal · 7 ep
6.6Fantastic Beasts: The Secrets of Dumbledore
2022 · Movie · Albert (Baker)
7.6The Wheel of Time
2021 · TV · Mat Cauthon · 16 ep
5.8How to Build a Girl
2020 · Movie · Karl Boden
Albion
2020 · Movie · Gabriel
7.9The Witcher
2019 · TV · Nettly · 1 ep
Love Have I Known
2019 · Movie · 2nd Lieutenant Williams