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Dónal Finn is an Irish actor known for playing James Moriarty in the Guy Ritchie Amazon series Young Sherlock (2026) and the romantic lead Tom Hayward in The Other Bennett Sister (2026). 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), played Mat Cauthon in the Prime Video fantasy series The Wheel of Time (2023), originated the role of Orpheus in the West End production of Hadestown and appeared as a village priest in the Paul Greengrass movie The Uprising (2026).
The Witcher2019
Fantastic Beasts: The Secrets of Dumbledore2022
The Wheel of Time2021
The Uprising2026
Young Sherlock2026
SAS Rogue Heroes2022
How to Build a Girl2020
The Other Bennet Sister2026