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Justine Mitchell

Acting Dublin, Ireland 24 credits

Biography

Justine Mitchell is an Irish actress. She is best known for playing Elaine Lynch in the Irish thriller series Smother (2021-2023) and for portraying Joan Hathaway in Chloé Zhao's 2025 period drama film Hamnet.

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Known for

The Crown

as Sarah McCorquodale

Industry

as Rose Winter
Film

Hamnet

as Joan

How to Get to Heaven from Belfast

as Rossa

Full filmography

  • The Crown (2016) as Sarah McCorquodale
  • Waking the Dead (2001) as Una Doyle
  • Industry (2020) as Rose Winter
  • Hamnet (2025) as Joan
  • How to Get to Heaven from Belfast (2026) as Rossa
  • Derry Girls (2018) as Adult Janette
  • Black Doves (2024) as Emma
  • Conversations with Friends (2022) as Paula
  • A Spy Among Friends (2022) as Eleanor Philby
  • Smother (2021) as Elaine Lynch
  • Imagine Me & You (2006) as Laura
  • The Dry (2022) as Áine Harrington
  • Cheat (2019) as DI Bould
  • These Sacred Vows (2026) as Sandra
  • Pure (2019) as Connie
  • Storyland (2009) as Ruth's Mother (voice)
  • Amber (2014) as Maeve Flynn-Dunne
  • A Cock and Bull Story (2005) as Tony's Director
  • The Stag (2013) as Linda
  • Citizen Verdict (2003)
  • Goldfish Memory (2003) as Kate
  • Conspiracy of Silence (2003)
  • Maryland (2022) as PC Eddowes
  • The Honeymooners (2004) as Fiona