Marcel Herrand

Fantômas

Simone Signoret

Hélène

Alexandre Rignault

Commissioner Juve

André Le Gall

Jérôme Fandor

Yves Deniaud

Arthur

Françoise Christophe

Princess Daniloff

Jacques Dynam

Preparer

Lucienne Lemarchand

Lady Beltham

Paul Faivre

Chauffeur

Renaud Mary

Germain

Georges Gosset

Burette

Paul Amiot

Director of "La Sûreté"

Allain Dhurtal

Pierre Labry

Mr. Paul

Robert Berri

Marcel Lestan

Théo

Jean-Jacques Rouff

Denise Kerny

Deputy

Jean Barrère

(uncredited)

Raymond Bukowak

(uncredited)

Cauchois

(uncredited)

Max Dejean

(uncredited)

Dumat

(uncredited)

Gérard Gervais

(uncredited)

Guy Henry

(uncredited)

Raymonde La Fontan

Switchboard operator (uncredited)

Frédéric Mariotti

Worker (uncredited)

Béryl Orland

(uncredited)