Sophie investigates the death of her sister who disappeared while taking pictures in the mountains with Bastien, a rather taciturn guide accused of being a dangerous criminal.
| Actor | Role |
|---|---|
 Véronique JannotSophie | Sophie |
 Jean YanneGustave | Gustave |
 Ralph SchichaBastien | Bastien |
 Ottavia PiccoloSuzanne | Suzanne |
 Danièle EvenouCarla | Carla |
 Pascal BongardJean | Jean |
 Vanessa LarréAnnie | Annie |
 Jean-Marc StehléCharles | Charles |
| AAhmed BelbachirRoland | Roland |
| AAndré SteigerBasil | Basil |
 Bernard EscalonBernard | Bernard |