Where to watch That Most Important Thing: Love in Vietnam
That Most Important Thing: Love isn't available to stream, rent or buy in Vietnam right now. Availability changes often, so check back soon. Availability checked 3 October 2026.
About That Most Important Thing: Love
That Most Important Thing: Love is a 1975 movie in the Drama and Romance genres, directed by Andrzej Żuławski, starring Romy Schneider, Fabio Testi and Jacques Dutronc. It has a runtime of 1 hour 53 minutes. It holds an average rating of 7.0/10 from 139 viewers. Below you can see where to watch That Most Important Thing: Love in Vietnam — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.
That Most Important Thing: Love trailer
Overview
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.
Top cast
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
Sylvain Lévignac
First Man in the Brewery
Olga Valéry
Woman with the Dildo
Jacques Boudet
Robert Beninge
Robert Dadiès
Doctor in the Hospital / Actor in the Theatre
Georges-Fréderic Dehlen
Actor in the Theatre
Jack Jourdain
Victor
Claude Legros
Manuel Rosenthal
Kira Potonie
Messala's wife
Themes & keywords
Frequently asked questions
Where can I watch That Most Important Thing: Love in Vietnam?+
That Most Important Thing: Love is not currently listed on any streaming, rental or purchase service in Vietnam. Availability changes often, so check back or switch your region.
Is That Most Important Thing: Love on Netflix?+
That Most Important Thing: Love is not on Netflix in Vietnam right now.
How long is That Most Important Thing: Love?+
That Most Important Thing: Love has a runtime of 1 hour 53 minutes (113 minutes).
Who stars in That Most Important Thing: Love?+
That Most Important Thing: Love stars Romy Schneider, Fabio Testi, Jacques Dutronc, Claude Dauphin and Roger Blin.
When did That Most Important Thing: Love come out?+
That Most Important Thing: Love is a 1975 movie directed by Andrzej Żuławski.
What genre is That Most Important Thing: Love?+
That Most Important Thing: Love is Drama and Romance film.
Who directed That Most Important Thing: Love?+
That Most Important Thing: Love was directed by Andrzej Żuławski.
User reviews
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