Justine Mitchell

Acting

Justine Mitchell

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.

Known for

Highlights

The Crown2016 · Series · Sarah McCorquodale
Hamnet2025 · Film · Joan
Imagine Me & You2006 · Film · Laura
Derry Girls2018 · Series · Adult Janette
Black Doves2024 · Series · Emma
Industry2020 · Series · Rose Winter

Filmography

Movies

14 films

National Theatre at Home: Summerfolk2026 · Film · Maria Lvovna
Hamnet2025 · Film · Joan
Maryland2022 · Film · PC Eddowes
The Stag2013 · Film · Linda
The Murder in Angel Lane2013 · Film · Sister Anne
National Theatre Live: King Lear2011 · Film · Regan
Sleep with Me2009 · Film · Catrin
Imagine Me & You2006 · Film · Laura
Song of Songs2005 · Film · Laura
A Cock and Bull Story2005 · Film · Tony's Director
The Honeymooners2004 · Film · Fiona
Citizen Verdict2003 · Film · Jessica Landers
Conspiracy of Silence2003 · Film · Assistant Floor Manager
Goldfish Memory2003 · Film · Kate

Filmography

Series

15 shows

How to Get to Heaven from Belfast2026 · Series · Rossa
These Sacred Vows2026 · Series · Sandra
Black Doves2024 · Series · Emma
A Spy Among Friends2022 · Series · Eleanor Philby
Conversations with Friends2022 · Series · Paula
The Dry2022 · Series · Áine Harrington
Smother2021 · Series · Elaine Lynch
Industry2020 · Series · Rose Winter
Cheat2019 · Series · DI Bould
Pure2019 · Series · Connie
Derry Girls2018 · Series · Adult Janette
The Crown2016 · Series · Sarah McCorquodale
Amber2014 · Series · Maeve Flynn-Dunne
Storyland2009 · Series · Ruth's Mother (voice)
Waking the Dead2001 · Series · Una Doyle