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).

Dónal Finn is early in his on-screen career, with 7 credits to date from 2020 to 2026.

Dónal Finn's most notable role to date came in Fantastic Beasts: The Secrets of Dumbledore (2022), where he played Albert (Baker). He also appeared in The Wheel of Time (2021) as Mat Cauthon. Most recently appeared in Young Sherlock (2026) as James Moriarty.

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