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.
Acting
How to Get to Heaven from Belfast
Rossa
These Sacred Vows
Sandra
Hamnet
Joan
Black Doves
Emma
A Spy Among Friends
Eleanor Philby
Maryland
PC Eddowes
Conversations with Friends
Paula
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
The Stag
Linda
The Murder in Angel Lane
Sister Anne
National Theatre Live: King Lear
Regan
Sleep with Me
Catrin
Storyland
Ruth's Mother (voice)
Imagine Me & You
Laura
Song of Songs
Laura
A Cock and Bull Story
Tony's Director
The Honeymooners
Fiona
Citizen Verdict
Conspiracy of Silence
Goldfish Memory
Kate
Waking the Dead
Una Doyle