An absent-minded sigillographer gets Tintin involved in a dangerous political intrigue in the Balkan nation of Syldavia.
| Directing | Stéphane Bernasconi | Director |
| Writing | E. Shipley Turner | Writer |
| Writing | Martin Brossollet | Writer |
| Writing | Robert Réa | Writer |
| Writing | Hergé | Comic Book |
| Production | Robert Réa | Producer |
| Sound | Ray Parker | Music |
| Sound | Tom Szczesniak | Music |
| Sound | Jim Morgan | Music |
