
Justine Mitchell
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.
Movie Appearances

Goldfish Memory
as Kate
2003

Conspiracy of Silence
2003

The Honeymooners
as Fiona
2004

The Stag
as Linda
2013

Maryland
as PC Eddowes
2022

A Cock and Bull Story
as Tony's Director
2005

Sleep with Me
as Catrin
2009

Song of Songs
as Laura
2005

Citizen Verdict
2003

Imagine Me & You
as Laura
2006

National Theatre Live: King Lear
as Regan
2011

The Murder in Angel Lane
as Sister Anne
2013

Hamnet
as Joan
2025
TV Appearances

Smother
as Elaine Lynch
2021

Amber
as Maeve Flynn-Dunne
2014

Pure
as Connie
2019

Waking the Dead
as Una Doyle
2001

The Crown
as Sarah McCorquodale
2016

Derry Girls
as Adult Janette
2018

Conversations with Friends
as Paula
2022

Cheat
as DI Bould
2019

Industry
as Rose Winter
2020

Black Doves
as Emma
2024

A Spy Among Friends
as Eleanor Philby
2022

Storyland
as Ruth's Mother (voice)
2009