Acting
Justine Mitchell
Acting · Dublin, Ireland
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.
Credits · 28
How to Get to Heaven from Belfast
2026 · Rossa
These Sacred Vows
2026 · Sandra
FilmHamnet
2025 · Joan
Black Doves
2024 · Emma
A Spy Among Friends
2022 · Eleanor Philby
FilmMaryland
2022 · PC Eddowes
Conversations with Friends
2022 · Paula
The Dry
2022 · Áine Harrington
Smother
2021 · Elaine Lynch
Industry
2020 · Rose Winter
Cheat
2019 · DI Bould
Pure
2019 · Connie
Derry Girls
2018 · Adult Janette
The Crown
2016 · Sarah McCorquodale
Amber
2014 · Maeve Flynn-Dunne
FilmThe Stag
2013 · Linda
FilmThe Murder in Angel Lane
2013 · Sister Anne
FilmNational Theatre Live: King Lear
2011 · Regan
FilmSleep with Me
2009 · Catrin
Storyland
2009 · Ruth's Mother (voice)
FilmImagine Me & You
2006 · Laura
FilmSong of Songs
2005 · Laura
FilmA Cock and Bull Story
2005 · Tony's Director
FilmThe Honeymooners
2004 · Fiona
FilmCitizen Verdict
2003 · Jessica Landers
FilmConspiracy of Silence
2003 · Assistant Floor Manager
FilmGoldfish Memory
2003 · Kate
Waking the Dead
2001 · Una Doyle