Justine Mitchell

Acting · Dublin, Ireland

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.

Known for

• National Theatre at Home: Summerfolk (2026)
• Hamnet (2025)
• Maryland (2022)
• The Stag (2013)
• The Murder in Angel Lane (2013)
• National Theatre Live: King Lear (2011)
• Sleep with Me (2009)
• Imagine Me & You (2006)
• A Cock and Bull Story (2005)
• Song of Songs (2005)
• The Honeymooners (2004)
• Goldfish Memory (2003)
• Conspiracy of Silence (2003)
• Citizen Verdict (2003)
• These Sacred Vows (2026)
• How to Get to Heaven from Belfast (2026)
• Black Doves (2024)
• Conversations with Friends (2022)
• A Spy Among Friends (2022)
• The Dry (2022)
• Smother (2021)
• Industry (2020)
• Pure (2019)
• Cheat (2019)