Person

Dónal Finn

Acting · Born 1995-08-31 · Dromina, County Cork, Ireland

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).

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  The Witcher

  Nettly

• 

  The Wheel of Time

  Mat Cauthon

• 

  Young Sherlock

  James Moriarty

• 

  Fantastic Beasts: The Secrets of Dumbledore

  Albert (Baker)

• 

  SAS Rogue Heroes

  Eoin McGonigal

• 

  The Other Bennet Sister

  Mr. Hayward

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  The Uprising

  2026

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  How to Build a Girl

  Karl Boden

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  Four Letters of Love

  Sean Gore

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  Angel

  Killian

• 2026The Uprising
• 2026The Other Bennet SisterMr. Hayward
• 2026Young SherlockJames Moriarty
• 2025Four Letters of LoveSean Gore
• 2022SAS Rogue HeroesEoin McGonigal
• 2022Fantastic Beasts: The Secrets of DumbledoreAlbert (Baker)
• 2021The Wheel of TimeMat Cauthon
• 2020How to Build a GirlKarl Boden
• 2020AlbionGabriel
• 2019The WitcherNettly
• 2019Love Have I Known2nd Lieutenant Williams
• 2018AngelKillian