| Person | Type | Job | Role(s) |
|---|---|---|---|
 Christine De Jekel | Crew | Production | Executive Producer |
 Jean-Jacques Sempé | Crew | Writing | Characters |
 Marc Missonnier | Crew | Production | Associate Producer |
 Olivier Delbosc | Crew | Production | Producer |
 René Goscinny | Crew | Writing | Characters |
Romain Le Grand | Crew | Production | Co-Producer |
 Julien Rappeneau | Crew | Directing | Director, Screenplay, Adaptation, Dialogue |
 Martin Rappeneau | Crew | Sound | Original Music Composer |
Mathias Gavarry | Crew | Writing | Screenplay, Adaptation, Dialogue |
Vivien Aslanian | Crew | Production | Co-Producer |
 Bastien Sirodot | Crew | Production | Co-Producer |
 Cédric Iland | Crew | Production | Co-Producer |
Marco Pacchioni | Crew | Production | Co-Producer |
Emilien Bignon | Crew | Production | Associate Producer |
 Antonin Maurel | Cast | Actor | Restaurant receptionist |
 Antonin Schopfer | Cast | Actor | An Invincible Adult (1990) |
 Catherine Davenier | Cast | Actress | Madame Moucheboume |
 François Morel | Cast | Actor | Mr. Blédurt, the neighbor |
 François Rostain | Cast | Actor | Bearded salesman |
 Gerald Cesbron | Cast | College of Nicholas' father | |
 Jean-Paul Rouve | Cast | Actor | Nicholas' father |
 Jean-Pierre Darroussin | Cast | Actor | Director |
 Lise Lamétrie | Cast | Actress | Mémé |
 Matthieu Rozé | Cast | Actor | Museum guide |
 Noémie Lvovsky | Cast | Actress | Mrs. Bouillaguet |
 Philippe Uchan | Cast | Actor | Grifaton |
 Pierre Arditi | Cast | Actor | M. Moucheboume |
 Audrey Lamy | Cast | Actress | Nicholas' mother |
 Claudine Acs | Cast | Actress | The Widow Zinzin |
 Grégory Gadebois | Cast | Actor | Le Bouillon |
 Aleksandra Yermak | Cast | Actress | Mr. Moucheboume's secretary |
 Guillaume Clémencin | Cast | Actor | Antique dealer |
 Julie Maes | Cast | Actress | Supervisor |
 Adeline D'Hermy | Cast | Actress | Mistress |
 Barbara Bolotner | Cast | Actress | Baker |
 Sandie Masson | Cast | Actress | Madame Grifaton |
 Benoît Strulus | Cast | Actor | College of Nicholas' father |
 Pierre Pirol | Cast | Actor | College of Nicholas' father |
 Christophe Grundmann | Cast | Actor | The mover |
 Jacques Ledran | Cast | Actor | Waiter |
 Malick Laugier | Cast | Actor | Eudes |
 Arnaud Pfeiffer | Cast | Rufus' father | |
 Thomas Grascoeur | Cast | Actor | An Invincible Adult (1990) |
 Ilan Debrabant | Cast | Actor | Nicolas |
 Jean-Claude Bohbote | Cast | Actor | Fishmonger |
 Simon Faliu | Cast | Actor | Geoffroy |
 Cesar Duminil | Cast | Visitor to the house of Petit Nicolas | |
 Ted Etienne | Cast | Actor | An Invincible Adult (1990) |
 Nicolas Audebaud | Cast | Substitute of Nicholas' father | |
 Hubert Myon | Cast | Colleague Duparc | |
 Leny Morand | Cast | Actor | |
 Malo Chanson-Demange | Cast | Actor | Rufus |
 Léandre Castellano-Lemoine | Cast | Actor | Agnan |
 Anton Alluin | Cast | Actor | Clotaire |
 Oscar Boissière | Cast | Alceste | |
 Capucine Sainson-Fabresse | Cast | Actress | Marie-Edwige |
 Dominique Langlais | Cast | Widow Zinzin's son | |
 Florian Maubert | Cast | Actor | An Invincible Adult (1990) |
 Paul Kaliszczak | Cast | An Invincible Adult (1990) | |
 Victor Bourigault | Cast | An Invincible Adult (1990) | |
 Tom Neal | Cast | Actor | An Invincible Adult (1990) |
 Anthony Henrot | Cast | An Invincible Adult (1990) | |
 Claire Mechin | Cast | Mother of the visitor to the house of Petit Nicolas | |
Juliette Gras | Cast | Marie-Edwige's girlfriend | |
 Léonard Signoret | Cast | Maixent | |
Noé Chaurang | Cast | Actor | Nicholas' classmate |
Thomas Beauvais | Cast | Actor | Nicholas' classmate |
Marius Guillevic | Cast | Actor | Nicholas' classmate |
César Ohana | Cast | Actor | Nicholas' classmate |
Raphaël Boalouzet Domenech | Cast | Actor | Nicholas' classmate |
Clément Moch Roussel | Cast | Actor | Nicholas' classmate |
Antonin Magret | Cast | Actor | Nicholas' classmate |
Diego Belet | Cast | Actor | Nicholas' classmate |
Antoine Martel | Cast | Actor | Nicholas' classmate |
Aurélien Cesson | Cast | Actor | Nicholas' classmate |
Victor Deruelle | Cast | Actor | Nicholas' classmate |
Thibault Vignon | Cast | Actor | Nicholas' classmate |
Gabriel Hervé | Cast | Actor | Nicholas' classmate |
Joseph Robinson | Cast | Actor | Nicholas' classmate |
| Person | Type | Job | Role(s) |
