Freelance fotograaf Servais Mont, die zich voornamelijk bezig houdt met het nemen van "dirty pictures" voor de onderwereld ontmoet Nadine Chevalier. Nadine is actrice in voornamelijk ranzige low budget films.
Ja! de film L'Important c'est d'aimer is nu beschikbaar om te kijken op Netflix in Nederland.
| Directing | Andrzej Żuławski | Director |
| Writing | Christopher Frank | Novel |
| Production | Albina du Boisrouvray | Producer |
| Production | Léo L. Fuchs | Executive Producer |
| Sound | Georges Delerue | Original Music Composer |
| Camera | Ricardo Aronovich | Director of Photography |
| Editing | Christiane Lack | Editor |
| Art | Jean-Pierre Kohut-Svelko | Production Design |
| Costume & Make-Up | Catherine Leterrier | Costume Design |
| Costume & Make-Up | Didier Lavergne | Makeup Artist |
| Costume & Make-Up | Jean-Max Guérin | Hairstylist |
| Crew | Claude Carliez | Stunt Coordinator |
| Directing | Élisabeth Rappeneau | Script Supervisor |
| Costume & Make-Up | Massimo De Rossi | Makeup Artist |
| Writing | Andrzej Żuławski | Screenplay |
| Writing | Christopher Frank | Screenplay |
| Production | Georges Casati | Production Manager |
| Directing | Laurent Ferrier | First Assistant Director |
| Sound | Jacques Gérardot | Sound Recordist |
| Sound | Maurice Laumain | Sound Editor |
| Sound | Jean Nény | Sound Mixer |