In the second episode of the trilogy Fantômas kidnaps distinguished scientist professor Marchand with the aim to develop a super weapon that will enable him to menace the world. Fantômas is also planning to abduct a second scientist, professor Lefebvre.
| Directing | André Hunebelle | Director |
| Camera | Marcel Grignon | Director of Photography |
| Sound | Michel Magne | Original Music Composer |
| Writing | Jean Halain | Screenplay |
| Writing | Pierre Foucaud | Screenplay |
| Writing | Marcel Allain | Novel |
| Directing | Haroun Tazieff | Co-Director |
| Writing | Pierre Souvestre | Novel |
| Writing | Jean Halain | Dialogue |
| Production | Paul Cadéac | Producer |
| Production | Alain Poiré | Producer |
| Crew | Raymond Lemoigne | Cinematography |
| Editing | Jean Feyte | Editor |
| Art | Max Douy | Set Decoration |
| Costume & Make-Up | Mireille Leydet | Costume Design |
| Costume & Make-Up | René Daudin | Makeup Artist |
| Costume & Make-Up | Denise Lemoigne | Hairstylist |
| Costume & Make-Up | Anatole Paris | Makeup Artist |
| Production | Cyril Grize | Production Manager |
| Production | Paule Pastier | Unit Manager |
| Production | Luciano Pesciaroli | Production Manager |
| Production | Giorgio Riganti | Production Manager |
| Directing | Jacques Besnard | Second Unit Director |
| Directing | Renzo Cerrato | First Assistant Director |
| Directing | Jean-Pierre Desagnat | First Assistant Director |
| Directing | Michel Lang | Assistant Director |
| Directing | Patrick Saglio | Assistant Director |
| Art | André Labussière | Set Dresser |
| Art | Jacques Douy | Assistant Art Director |
| Art | Jean Forestier | Assistant Art Director |
| Sound | René-Christian Forget | Sound |
| Sound | Jean Jak | Sound Assistant |
| Crew | Gérard Cogan | Special Effects |
| Crew | Gil Delamare | Special Effects |
| Crew | François Suné | Special Effects |
| Crew | Jean Marais | Stunts |
| Editing | Colette Lambert | Assistant Editor |
| Production | Gille Schneider | Location Manager |
| Directing | Marie-Thérèse Cabon | Script Supervisor |
| Directing | Charlotte Lefèvre | Script Supervisor |
