Le petit Nicolas - Qu'est-ce qu'on attend pour être heureux ?

Alicia Hava as Rufus (voice) Serge Faliu as Papa / Léon (voice) Quentin Faure as Interviewer / Controller / Journalist (voice) Marc Arnaud as Gym Teacher / Photographer (voice) Octave Bossuet as Alceste (voice) Alain Chabat as Goscinny (voice) Simon Faliu as Nicolas (voice) Alban Aumard as Bouillon (voice) Claire Dumas as Mistress (voice) Delphine Baril as Mrs. Courteplaque (voice) Laurent Lafitte as Sempé (voice) Nicolas Chupin as Lestouffe (voice)

Jean-Jacques Sempé Characters Amandine Fredon Director Ludovic Bource Original Music Composer Aton Soumache Producer Michel Fessler Writer Nadia Khamlichi Executive Producer Adrian Politowski Producer René Goscinny Characters Pascal Le Nôtre Producer Christel Henon Producer Benjamin Massoubre Editor, Director Anne Goscinny Writer