

That Most Important Thing: Love
1975, French. Directed by Andrzej Żuławski.
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.
- Runtime
- 1h 53m
- Post-credits
- None listed
- Language
- French
- Rated
- R
Start now and it ends at ….
Worth the Hype
Clear your evening for this.
7.0/10 from 142 TMDB viewer ratings.
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Where to watch That Most Important Thing: Love
That Most Important Thing: Love isn’t on a subscription OTT platform in India, but you can rent it or buy it online.
Availability in India as of 10 November 2026. Streaming data by JustWatch.
Cast & crew
- Andrzej ŻuławskiDirector
- Romy SchneiderNadine Chevalier
- Fabio TestiServais Mont
- Jacques DutroncJacques Chevalier
- Claude DauphinMazelli
- Roger BlinServais' Father
- Nicoletta MachiavelliLuce Lapade
- Klaus KinskiKarl-Heinz Zimmer
- Gabrielle DoulcetMadame Mazelli
- Michel RobinRaymond Lapade
- Guy MairesseLaurent Messala
- Katia TchenkoMyriam, prostitute
- Paul BiscigliaAssistant Director
Details
- Released
- 12 February 1975
- Original title
- L'Important c'est d'aimer
- Country
- France, Germany, Italy
- Written by
- Christopher Frank, Andrzej Żuławski
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News & fan talk
What That Most Important Thing: Love is based on
That Most Important Thing: Love is adapted from a novel.
Source details from Wikidata and TMDB.
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That Most Important Thing: Love: quick answers
Is That Most Important Thing: Love worth watching?
Our verdict is Worth the Hype: Clear your evening for this. It scores 7.0/10 from 142 TMDB viewer ratings.
How long is That Most Important Thing: Love?
That Most Important Thing: Love runs 113 minutes (1h 53m).
Does That Most Important Thing: Love have a post-credits scene?
None is listed for That Most Important Thing: Love. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
That Most Important Thing: Love parents guide: is it suitable for kids?
That Most Important Thing: Love is rated R in India. Check the rating guidance before watching with young children.
Which OTT platform is That Most Important Thing: Love on?
That Most Important Thing: Love isn’t on a subscription OTT platform in India, but you can rent it or buy it online. (Checked 10 November 2026.)
What movies are like That Most Important Thing: Love?
If you liked That Most Important Thing: Love, try Fifty Shades of Grey, Earthquake Bird, Fifty Shades Freed.
Who directed That Most Important Thing: Love?
That Most Important Thing: Love (1975) was directed by Andrzej Żuławski and stars Romy Schneider, Fabio Testi, Jacques Dutronc.
What is That Most Important Thing: Love based on?
That Most Important Thing: Love is adapted from a novel.