Justine Mitchell
ActingDublin, 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
Acting History
2026
These Sacred Vows
TVas Sandra• 6 eps
2025
Hamnet
as Joan
2024
Industry
TVas Rose Winter• 2 eps
Black Doves
TVas Emma• 2 eps
2023
The Crown
TVas Sarah McCorquodale• 1 eps
2022
Maryland
as PC Eddowes
Derry Girls
TVas Adult Janette• 1 eps
A Spy Among Friends
TVas Eleanor Philby• 1 eps
Conversations with Friends
TVas Paula• 5 eps
2021
Smother
TVas Elaine Lynch
2014
Amber
TVas Maeve Flynn-Dunne• 4 eps
2013
The Stag
as Linda
The Murder in Angel Lane
as Sister Anne
2011
National Theatre Live: King Lear
as Regan
2009
Sleep With Me
as Catrin
2008
Waking the Dead
TVas Una Doyle• 2 eps
2006
Imagine Me & You
as Laura
2005
Song of Songs
as Laura
A Cock and Bull Story
as Tony's Director
2004
The Honeymooners
as Fiona