Justine Mitchell

Acting

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.

Filmography

• How to Get to Heaven from Belfast — Rossa
• 2026National Theatre at Home: Summerfolk — Maria Lvovna
• These Sacred Vows — Sandra
• 2025Hamnet — Joan
• Black Doves — Emma
• A Spy Among Friends — Eleanor Philby
• Conversations with Friends — Paula
• 2022Maryland — PC Eddowes
• The Dry — Áine Harrington
• Smother — Elaine Lynch
• Industry — Rose Winter
• Cheat — DI Bould
• Pure — Connie
• Derry Girls — Adult Janette
• The Crown — Sarah McCorquodale
• Amber — Maeve Flynn-Dunne
• 2013The Murder in Angel Lane — Sister Anne
• 2013The Stag — Linda
• 2011National Theatre Live: King Lear — Regan
• 2009Sleep with Me — Catrin
• Storyland — Ruth's Mother (voice)
• 2006Imagine Me & You — Laura
• 2005A Cock and Bull Story — Tony's Director
• 2005Song of Songs — Laura
• 2004The Honeymooners — Fiona
• 2003Citizen Verdict — Jessica Landers
• 2003Conspiracy of Silence — Assistant Floor Manager
• 2003Goldfish Memory — Kate
• Waking the Dead — Una Doyle