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.
Known For
The Crown
Sarah McCorquodale
Derry Girls
Adult Janette
Hamnet
Joan
Imagine Me & You
Laura
Waking the Dead
Una Doyle
How to Get to Heaven from Belfast
Rossa
Black Doves
Emma
Maryland
PC Eddowes
National Theatre Live: King Lear
Regan
Conversations with Friends
Paula
Storyland
Ruth's Mother (voice)
The Murder in Angel Lane
Sister Anne
Industry
Rose Winter
Pure
Connie
Smother
Elaine Lynch
A Spy Among Friends
Eleanor Philby
Cheat
DI Bould
A Cock and Bull Story
Tony's Director
The Dry
Áine Harrington
The Stag
Linda