Roger Hanin

Mirmont

Christiane Minazzoli

Eva Dolbry

Lucien Nat

Professor Wilkowski

René Dary

Head of the D.S.T.

Antonio Passalia

Serge Alerio

René Blancard

Raddel

Yves Barsacq

Laboratory assistant

Donald O'Brien

Dolbry

Madeleine Lambert

The aunt

Laurence Aubray

Denise Bataille

Henri Coutet

Robert Favart

Lucien Frégis

Clément Harari

Robert Vernay