
Nicolas has a happy existence, parents who love him, a great group of friends with whom he has great fun, and all he wants is that nothing changes. However, one day, he overhears a conversation that leads him to believe that his life might change forever, his mother is pregnant! He panics and envisions the worst.
Cast

Maxime Godart
Nicolas

Valérie Lemercier
Nicolas's mother

Kad Merad
Nicolas's father

Sandrine Kiberlain
Teacher

François-Xavier Demaison
Mr. Dubon, aka 'le Bouillon'

Michel Duchaussoy
Director

Daniel Prévost
Mr. Moucheboume

Michel Galabru
Minister

Anémone
Miss Navarin

Louise Bourgoin
Florist

Gérard Jugnot
Choir director Clément Mathieu

Vincent Claude
Alceste
Charles Vaillant
Geoffroy

Victor Carles
Clotaire

Benjamin Averty
Eudes

François Damiens
Mr. Blédur

Germain Petit Damico
Rufus
Virgile Tirard
Joachim

Éric Berger
Albert, butler

Marc Faure
Doctor
Françoise Bertin
Playful old lady

Nathalie Cerda
Madame Moucheboume

Cyril Couton
Nicolas's uncle

Virginia Anderson
Secretary

Didier Raymond
Doctor

Christian Taponard
Doctor

Alain Sachs
Doctor

Yves-Robert Viala
Doctor

Elisa Heusch
Marie-Edwige

Damien Ferdel
Agnan
Simon Goscinny du Chatenet
Student in the exam room

Serge Riaboukine
Francis Leborgne

Renaud Rutten
Driving school instructor

Tristan Aquilina
Child of the wasteland (uncredited)

Jean-Michel Lahmi
Gangster

Nicolas Vallée
Cop

Laura Boujenah
Midwife
Crew

Laurent Tirard
Director, Screenplay, Dialogue

Grégoire Vigneron
Screenplay, Dialogue

Valérie Deseine
Editor

Denis Rouden
Director of Photography
Alan Corno
First Assistant Director
David Baldari
Second Assistant Director
Alexandre Tisseyre
Second Assistant Director
Nicolas Smlynarczyk
Third Assistant Director

Olivier Delbosc
Producer

Marc Missonnier
Producer

Geneviève Lemal
Co-Producer
Alexandre Lippens
Co-Producer
Françoise Dupertuis
Production Design
Berto
Camera Operator

Gérard Moulévrier
Casting Director
Pierre-Jean Larroque
Costume Designer
Guillaume Attwood
Costumer
Sabine Fevre
Makeup Artist
Sylvie Greco
Makeup Artist
Katja Piepenstock
Makeup Artist
Bruno Verstraete
Lighting Technician
Noel Chainbaux
Special Effects Technician
Julien Poncet de la Grave
Special Effects Supervisor
Olivier Marais
Special Effects
Benoit Philippon
Visual Effects Supervisor

Rodolphe Chabrier
Visual Effects Supervisor

Klaus Badelt
Original Music Composer

Alain Chabat
Dialogue
Patrick Dechesne
Set Decoration

René Goscinny
Characters

Jean-Jacques Sempé
Characters
Olivier Mandrin
Gaffer
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