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Why Not!

6.119771h 33mMovieRomanceComedyDrama

Alexa, Fernand, and Louis form a tender yet unconventional trio in a quiet suburban home. Fleeing failed marriages and societal expectations, they build a life rooted in love and mutual support. But their unorthodox arrangement stirs…

DirectorColine Serreau
ProducerMichèle Dimitri

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Why Not! was released on December 21, 1977 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Coline Serreau

SFSami Frey
Sami Frey
Fernand Bulard
CMChristine Murillo
Christine Murillo
Alexa, dite Alex
MGMario Gonzales
Mario Gonzales
Louis
NJNicole Jamet
Nicole Jamet
Sylvie
MAMichel Aumont
Michel Aumont
L'inspecteur Bricat
MSMathé Souverbie
Mathé Souverbie
La mère de Sylvie
AS
Alain Salomon
Roger
JRJacques Rispal
Jacques Rispal
Le père de Louis
FBFlorence Brière
Florence Brière
LFLuce Fabiole
Luce Fabiole
Peau de Chagrin
NS
Nicolas Serreau
Le serveur dans la boîte
MS
Marie-Thérèse Saussure
Madame Picaud

More from Sami Frey · Lead actor

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More from Christine Murillo · Co-star actress

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More from Coline Serreau · Director

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See all fromColine Serreau

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Why Not! — streaming FAQ

Which OTT platform streams Why Not!?

Why Not! isn't streaming anywhere in United Kingdom yet.

Is Why Not! on Netflix?

No, Why Not! is not on Netflix in United Kingdom as of November 2026.

Is Why Not! on Amazon Prime Video?

No, Why Not! isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch Why Not! for free?

Why Not! isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.

What is the OTT release date for Why Not!?

Why Not! hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around February 8, 1978. This is a prediction, not a confirmed date.