Tintin is sent to guard Professor Calculus, who has invented a machine that can duplicate anything, and is staying in a village near the border of Syldavia and Bodouria. Rastapopoulous, an infamous and ruthless international criminal, tries to lure Calculus and Tintin away by kidnapping two children, who live nearby, in order to get his clutches on the machine.
| Writing | Hergé | Characters |
| Writing | Jean-Michel Charlier | Adaptation |
| Writing | Jos Marissen | Adaptation |
| Directing | Raymond Leblanc | Director |
| Writing | Eddie Lateste | Adaptation |
| Writing | Rainer Gocksch | Adaptation |
| Art | Paulette Melloul | Art Direction |
| Production | Raymond Leblanc | Executive Producer |
| Crew | Eddie Lateste | Special Effects |
| Sound | François Rauber | Original Music Composer |
| Editing | Jean-Pierre Cereghetti | Editor |
| Production | Eddie Lateste | Producer |
| Production | José Dutillieu | Production Manager |
| Production | Rainer Gocksch | Assistant Production Manager |
| Writing | Greg | Screenplay |
| Production | Bob de Moor | Consulting Producer |
