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D
Actor

Dónal Finn

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).

August 31, 1995 (31 years old) Dromina, County Cork, Ireland
'Young Sherlock' Season 2
Dónal Finn
Highlights
Young Sherlock Season 1 - Moriarty Sets the Record Straight Clip
Young Sherlock Season 1 - Dónal Finn Character Poster
Young Sherlock Season 1 - First Look at Dónal Finn, Natascha McElhone and Hero Fiennes Tiffin
Young Sherlock Season 1 - First Look at Dónal Finn, Zine Tseng and Hero Fiennes Tiffin
Young Sherlock Season 1 - First Look at Natascha McElhone, Dónal Finn, Zine Tseng and Hero Fiennes Tiffin

Known For

Filmography

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'Young Sherlock' Season 2 00:41
'Young Sherlock' Season 2

Dónal Finn News

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TV Review: ‘Young Sherlock’

TV Review: ‘Young Sherlock’

Arriving on Prime Video on March 4 is the latest attempt to bring Sir Arthur Conan Doyle’s Sherlock Holmes character to...
First Look at Guy Ritchie’s ‘Young Sherlock’ Series

First Look at Guy Ritchie’s ‘Young Sherlock’ Series

Preview: The first images from Prime Video’s ‘Young Sherlock’ series are online. Hero Fiennes Tiffin is playing the youn...
‘The Wheel of Time’ Season 2 Trailer

‘The Wheel of Time’ Season 2 Trailer

https://www.youtube.com/watch?v=sfIpzPzsv5Y Though you might have thought that Prime Video emptied its wallet when it ca...

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