 | Édouard Baer als Alex Tanguy (voice) |
 | Jackie Berroyer als The Mole (voice) |
 | Audrey Tautou als Mary Delauney (voice) |
 | Jean-Pierre Marielle als The Man with the Broken Face (voice) |
 | Gaspard Gagnol als Léo (voice) |
| Noa Bernaoui-Savreux als Titi (voice) |
 | Patrick Ridremont als The Nervous Little Man / The Safecracker / The Exterminator (voice) |
 | Patrick Descamps als The Giant (voice) |
| Yves Barbaut als Police Commissioner Simon (voice) |
 | Philippe Peythieu als The Mayor / Dino (voice) |
| Jean-Loup Felicioli | Director |
| Alain Gagnol | Director |
| Jacques-Rémy Girerd | Producer |
| Emmanuel Bernard | Executive Producer |
| Annemie Degryse | Associate Producer |
| Serge Besset | Original Music Composer |
| Hervé Guichard | Editor |
| Tim Martens | Executive Producer |
| Catherine Blanc-Maurizi | Production Manager |
| Jean-Loup Felicioli | Art Direction |
| Alain Gagnol | Art Direction |
| Jean-Paul Hurier | Sound Mixer |
| Sébastien Pierre | Sound Mixer |
| Michel Nicolas | Executive Producer |
| Jean-Loup Felicioli | Storyboard |
| Flavien van Haezevelde | Sound Editor |
| David Vranken | Sound Designer |
| Charles de Ville | Sound Design Assistant |
| Izù Troin | Director of Photography |
| Izù Troin | Compositing Artist |
| Izù Troin | Special Effects Supervisor |
| Alain Gagnol | Writer |
| Jean-Loup Felicioli | Screenplay |
| Loïc Burkhardt | Sound Supervisor |
| Loïc Burkhardt | Sound Editor |
| Loïc Burkhardt | Sound Designer |
