That Most Important Thing: Love
- Cast: Romy Schneider, Fabio Testi, Jacques Dutronc, Claude Dauphin, Roger Blin
- Duration: 113 minutes
- Genre: Drama, Romance
- Rating: 7.042/10
- Release Date: 1975-02-12
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.
