Fantômas is a man of many disguises. He uses maquillage as a weapon. He can impersonate anyone using an array of masks and can create endless confusion by constantly changing his appearance.

Jean Marais
as Fantômas / Fandor / Lord Shelton / Vieux gardien de la prison

Louis de Funès
as Commissaire Juve

Mylène Demongeot
as Hélène

Jacques Dynam
as Inspecteur Bertrand

Robert Dalban
as Directeur du journal

Marie-Hélène Arnaud
as Lady Beltham

Anne-Marie Peysson
as La speakrine

Christian Toma
as Inspecteur Pierre

Michel Duplaix
as Inspecteur Léon

Andrée Tainsy
as Habilleuse