 | Nicole Félix | ... | Grégory's mother (as Nicole Felix) |
| Chantal Mercier | ... | Chantal Petit, the Schoolteacher |
| Jean-François Stévenin | ... | Jean-François Richet, the Schoolteacher (as Jean-François Stevenin) |
| Virginie Thévenet | ... | Lydie Richet (as Virginie Thevenet) |
| Tania Torrens | ... | Nadine Riffle, hairdresser |
| René Barnerias | ... | Monsieur Desmouceaux, Patrick's father |
| Katy Carayon | ... | Sylvie's Mother |
| Jean-Marie Carayon | ... | Police inspector, Sylvie's father |
| Annie Chevaldonne | ... | Nurse |
| Francis Devlaeminck | ... | Monsieur Riffle, hairdresser, Laurent's father |
| Michel Dissart | ... | Monsieur Lomay, constable |
| Michele Heyraud | ... | Madame Deluca |
| Paul Heyraud | ... | Monsieur Deluca |
| Jeanne Lobre | ... | Julien's grandmother (as Jane Lobre) |
| Vincent Touly | ... | Concierge |
| Claudio De Luca | ... | Mathieu Deluca |
| Franck De Luca | ... | Franck Deluca |
| Laurent Devlæminck | ... | Laurent Riffle |
| Bruno Staab | ... | Bruno Rouillard |
| Sylvie Grezel | ... | Sylvie |
| Richard Golfier | ... | Richard Golfier |
| Corinne Boucart | ... | Corinne |
| Eva Truffaut | ... | Patricia |
| Sebastien Marc | ... | Oscar |
| Philippe Goldmann | ... | Julien Leclou |
| Pascale Bruchon | ... | Martine |
| Georges Desmouceaux | ... | Patrick Desmouceaux (as Geory Desmouceaux) |
| Grégory | ... | Little Grégory (as Le petit Gregory) |
| rest of cast listed alphabetically: |
| Marcel Berbert | ... | Headmaster (uncredited) |
| Yvon Boutina | ... | Oscar, adult (uncredited) |
| Monique Dury | ... | Florist (uncredited) |
| Jean-Francis Gondre | ... | Oscar's father (uncredited) |
| Hélène Jeanbrau | ... | Doctor (uncredited) |
| Christian Lentretien | ... | Monsieur Golfier, Richard's father (uncredited) |
| Jean-Marc Lentretien | ... | Studient in classroom (uncredited) |
| Thi-Loan Nguyen | ... | People from Thiers (uncredited) |
| Christine Pellé | ... | Madame Leclou, Julien's mother (uncredited) |
| Roland Thénot | ... | People from Thiers (uncredited) |
| François Truffaut | ... | Martine's Father (uncredited) |
| Laura Truffaut | ... | Madeleine Doinel, Oscar's mother (uncredited) |
