One Day You'll Understand poster
Where to stream

One Day You'll Understand

5.720081h 30mMovieDramaTV Movie

A man endeavors to collect memories of his grandparents who died in a concentration camp during the Holocaust.

DirectorAmos Gitai
WritersDan Franck·Jérôme Clément
ProducersAmos Gitai·Nicole Collet

Where to watch

Chai FlicksChai Flicks
Availability shown for United States · rights vary by country

Cast · Directed by Amos Gitai

JMJeanne Moreau
Jeanne Moreau
Rivka
HGHippolyte Girardot
Hippolyte Girardot
Victor
EDEmmanuelle Devos
Emmanuelle Devos
Françoise
DBDominique Blanc
Dominique Blanc
Tania
DDDaniel Duval
Daniel Duval
Georges Gornick
DA
Denise Aron-Schropfer
Sipa Gornick
AMAnnie Mercier
Annie Mercier
CMClaire Magnin
Claire Magnin
MD
Max Denes
Le commissaire-priseur
MSMouna Soualem
Mouna Soualem
Esther
SMSerge Moati
Serge Moati
Le pharmacien
SC
Samuel Cohen
Louis

More from Jeanne Moreau · Lead actress

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More from Hippolyte Girardot · Co-star actor

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More from Amos Gitai · Director

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One Day You'll Understand — streaming FAQ

Which OTT platform streams One Day You'll Understand?

One Day You'll Understand is streaming on Chai Flicks in United States. It's not currently on Netflix.

Is One Day You'll Understand on Netflix?

No, One Day You'll Understand is not on Netflix in United States as of October 2026. It's currently on Chai Flicks.

Is One Day You'll Understand on Amazon Prime Video?

No, One Day You'll Understand isn't on Amazon Prime Video in United States right now. It's on Chai Flicks instead.

Where can I watch One Day You'll Understand for free?

One Day You'll Understand is available on Chai Flicks in United States, but you'll need an active subscription — there's no free option right now.