Chick fell in love with Alise because of a shared passion for writer Jean-Sol Partre who gradually devoured their relationship. Soon after, Colin, the main character, also falls in love with a young girl, Chloe, but after their marriage she soon suffers from a strange illness: a water lily grows in her lungs.
| Actor | Role |
|---|---|
 Jacques PerrinColin | Colin |
 Marie-France PisierAlise | Alise |
 Sami FreyChick | Chick |
 Alexandra StewartIsis | Isis |
 Annie BuronChloé | Chloé |
 Bernard FressonNicolas | Nicolas |
 Sacha BriquetNot listed | Not listed |
 Moune de RivelNot listed | Not listed |
 René-Jean ChauffardBookstore | Bookstore |
 Claude PiépluDoctor | Doctor |
| JJacqueline FerrièreNot listed | Not listed |
 Sacha PitoëffPharmacist | Pharmacist |
 Ursula Vian-KüblerNun | Nun |
| JJim WilsamNot listed | Not listed |
 Jacques RispalNot listed | Not listed |
 Delphine SeyrigNarrator (voice) | Narrator (voice) |