All of a Sudden - Production & Contact Info

All of a Sudden (2026)
196 min | Drama

All of a Sudden (2026)

196 min | Drama

Two scholars exchange letters about chance and risk. As the philosopher falls ill, their academic correspondence evolves into intimate discussions about mortality and a deeper connection forms between them.

Director

Ryūsuke Hamaguchi (director) (as Ryûsuke Hamaguchi)

Writers

Ryūsuke Hamaguchi (writer) (as Ryûsuke Hamaguchi) | Maho Isono (based on the book by) | Léa Le Dimna (writer) | Makiko Miyano (based on the book by)

Producers

Renan Artukmaç (producer) | Bettina Brokemper (producer) | Charlotte Dauphin (producer) | Julien Deris (producer) & 6 more

Composer

Cinematographer

Editor

Casting Director

Production Designer

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Edit Released

Updated May 15, 2026

Release date

Jun 19, 2026 (Japan)

Awards

1 win & 2 nominations

Contacts

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Cast	+ Add Cast
24 cast members

Name	Known for
Virginie Efira Marie-Lou Fontaine Marie-Lou Fontaine See fewer	Elle (I) (2016)
Tao Okamoto Mari Morisaki Mari Morisaki See fewer	The Wolverine (2013)
Kyôzô Nagatsuka Goro Kiyomiya Goro Kiyomiya See fewer	Teki Cometh (2024)
Kodai Kurosaki Tomoki Kubodera Tomoki Kubodera See fewer	Sins of Kujo (2026)
Jean-Charles Clichet Olivier Olivier See fewer	The Stranger (2025)
Marie Bunel Sophie Sophie See fewer	The Chorus (2004)
Romain Cottard Damien Damien See fewer	Monte Carlo (2011)
Marie Denarnaud Laurence Laurence See fewer	A Familiar Stranger (2021)
Gabriel Dahmani Djibril Djibril See fewer	All of a Sudden (2026)
Héloïse Janjaud Vanessa Vanessa See fewer	Je sais pas (2025)
Séphora Pondi Adidja (as Séphora Pondi de la Comédie Française) Adidja (as Séphora Pondi de la Comédie Française) See fewer	The Tasting (2022)
Heidi Becker-Babel Marion Marion See fewer	Family Business (2017)
Lazare Gousseau Claude Claude See fewer	Vous êtes ici (2024)
Rose Bourdon Stéphanie Stéphanie See fewer	All of a Sudden (2026)
Jérôme Chappatte Philippe Murano Philippe Murano See fewer	Stranger by the Lake (2013)
Geneviève Emanuelli Micheline Micheline See fewer	Just After Dawn
Evelyne Istria Mireille Mireille See fewer	Pot-Bouille (1972)
Elsa Bouchain Lucie Ernaux Lucie Ernaux See fewer	I Am Not an Easy Man (2018)
Prescilia Follin Yasmine Yasmine See fewer	Nzela (2025)
Jean-Louis Garçon Kevin Kevin See fewer	Astrid (2019)
Mamadou Sidibé Jean Jean See fewer	L'une des leurs
Elizabeth Tamaris Actress Actress See fewer	Lapo erzählt... (1981)
Margot Maricot Extra (uncredited) Extra (uncredited) See fewer	Matrix Zone (2013)
Radostina Rogliano Aide-Soignante (uncredited) Aide-Soignante (uncredited) See fewer	Spring Rounds (2024)