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.

Filmography

National Theatre at Home: Summerfolk

as Maria Lvovna

2026

National Theatre at Home: Summerfolk

as Maria Lvovna

Hamnet

as Joan

7.72025

Hamnet

as Joan

Maryland

as PC Eddowes

8.02022

Maryland

as PC Eddowes

The Stag

as Linda

5.82013

The Stag

as Linda

The Murder in Angel Lane

as Sister Anne

6.92013

The Murder in Angel Lane

as Sister Anne

National Theatre Live: King Lear

as Regan

7.02011

National Theatre Live: King Lear

as Regan

Sleep with Me

as Catrin

3.02009

Sleep with Me

as Catrin

Imagine Me & You

as Laura

7.62006

Imagine Me & You

as Laura

Song of Songs

as Laura

4.32005

Song of Songs

as Laura

A Cock and Bull Story

as Tony's Director

6.22005

A Cock and Bull Story

as Tony's Director

The Honeymooners

as Fiona

5.52004

The Honeymooners

as Fiona

Citizen Verdict

as Jessica Landers

3.92003

Citizen Verdict

as Jessica Landers

Conspiracy of Silence

as Assistant Floor Manager

4.82003

Conspiracy of Silence

as Assistant Floor Manager

Goldfish Memory

as Kate

5.82003

Goldfish Memory

as Kate