Didier Sandre as Vincent

Alexandre Zloto as Vincent adolescent

Catherine Ferran as Florence "Zaza"

Agathe De Chassey as Florence "Zaza" adolescente

Audrey Boitel as Lili

Charles Berling as François

Mathieu Robinot as François enfant

Sabrina Leurquin as Suzanne

Marianne Coillot as Suzanne enfant

Nadia Barentin as la mère

Jean Dautremay as le père

Guillaume Charras as Jumbo

Danièle Douet as la mère de Jumbo

Bruno Todeschini as le père de Jumbo

Guillaume Raynal as Bruno

Dominique Constanza as la mère de Bruno

Franck Moalic as premier frère de Bruno

Yves Cornec as second frère de Bruno

Alain Pralon as le docteur Le Bihan

Guillemette Grobon as madame Le Bihan

Rudy Boccara as Patrick

Françoise Tixier as la mère de Patrick

Emmanuelle Elkabbach as la journaliste

Marie Henriau as la spécialiste des fourmis

Jacques Ferran as le spécialiste des perce-oreilles

Paula de Oliveira as l'ex-fiancée de François

Marc Betton as le médecin de Zaza

Colette Maire as la dame au chien

Jean Pélégri as le vieil homme du métro

Muriel Mayette as la collègue de Zaza

Didier Bezace as René

Joachim Lombard as René adolescent

Louison Roblin as la grand-mère de Jumbo

Luc Moullet as le commentateur de La vie de l'abeille

Caroline Paliul as la monitrice Dinamo