That Most Important Thing: Love
Servais Mont, a freelance photographer who works taking compromising photos, gets fascinated by Nadine Chevalier, a tormented low-budget movie actress married to an eccentric film photo collector.
Where to watch That Most Important Thing: Love in United States
Amazon Video
Apple TV Store
Fandango At HomeClick a service to open That Most Important Thing: Love there. Availability last verified on June 20, 2026.
Where is That Most Important Thing: Love streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | — | Amazon Video, Apple TV Store, Fandango At Home |
| United Kingdom | Sooner Amazon Channel | — |
| Canada | — | Apple TV Store |
| Germany | Amazon Prime Video, Sooner Amazon Channel, alleskino Amazon Channel, Sooner | Apple TV Store, Amazon Video, Google Play Movies |
| France | Molotov TV, SFR Play | Apple TV Store, Canal VOD, Orange VOD |
About That Most Important Thing: Love
That Most Important Thing: Love is a 1975 French-language drama and romance film directed by Andrzej Żuławski. The cast is led by Romy Schneider, Fabio Testi, Jacques Dutronc. It has a runtime of 1h 53m. Viewers rate it 7.0/10 across 100 ratings. In United States, it is available to rent or buy on Amazon Video and Apple TV Store.
That Most Important Thing: Love was produced by Albina Productions and T.I.T. Filmproduktion and made in France and Germany. It was released on February 12, 1975, and carries a R certification.
- Director
- Andrzej Żuławski
- Writers
- Andrzej Żuławski, Christopher Frank
- Release date
- February 12, 1975
- Original language
- French
- Age rating
- R
- Status
- Released
- Country
- France, Germany
- Production
- Albina Productions, T.I.T. Filmproduktion
That Most Important Thing: Love cast & crew
That Most Important Thing: Love was directed by Andrzej Żuławski and written by Andrzej Żuławski and Christopher Frank.
The cast features Romy Schneider as Nadine Chevalier, Fabio Testi as Servais Mont, Jacques Dutronc as Jacques Chevalier, Claude Dauphin as Mazelli, Roger Blin as Servais' Father, and Nicoletta Machiavelli as Luce Lapade.
Behind the camera, the score was composed by Georges Delerue, cinematography is by Ricardo Aronovich, and it was produced by Albina du Boisrouvray and Léo L. Fuchs.
Is That Most Important Thing: Love worth watching?
That Most Important Thing: Love holds an audience score of 7.0/10 from 131 ratings, marking it as well-reviewed drama films.
At 1h 53m, it's a standard feature-length watch.
If you enjoy drama and romance, That Most Important Thing: Love is worth a place on your watchlist.
How and where to watch That Most Important Thing: Love
That Most Important Thing: Love isn't on a subscription service in United States right now, but you can rent or buy it on Amazon Video, Apple TV Store, and Fandango At Home.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
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Cast of That Most Important Thing: Love
Romy Schneider
Nadine Chevalier
Fabio Testi
Servais Mont
Jacques Dutronc
Jacques Chevalier
Claude Dauphin
Mazelli
Roger Blin
Servais' Father
Nicoletta Machiavelli
Luce Lapade
Klaus Kinski
Karl-Heinz Zimmer
Gabrielle Doulcet
Madame Mazelli
Michel Robin
Raymond Lapade
Guy Mairesse
Laurent Messala
Katia Tchenko
Myriam, prostitute
Paul Bisciglia
Assistant Director
That Most Important Thing: Love — FAQs
▸Where can I watch That Most Important Thing: Love in United States?
That Most Important Thing: Love is not on subscription streaming in United States right now, but you can rent or buy it on Amazon Video and Apple TV Store and Fandango At Home.
▸What language is That Most Important Thing: Love in?
That Most Important Thing: Love is originally in French. Subtitle and dub options vary by streaming service.
▸How long is That Most Important Thing: Love?
That Most Important Thing: Love runs 1 hours 53 minutes (113 minutes).
▸What is That Most Important Thing: Love rated?
That Most Important Thing: Love is rated R. It holds a 7.0/10 audience score from 131 ratings.
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