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.

Jean Maraisas Fantômas / Fandor / Professeur Lefèvre / Marquis de Rostelli
Louis de Funèsas Commissaire Juve
Mylène Demongeotas Hélène
Jacques Dynamas Inspecteur Bertrand
Robert Dalbanas Directeur du journal
Albert Dagnantas Professeur Marchard
Christian Tomaas Inspecteur Pierre
Olivier de Funèsas Michou