Cast
- Robert Lamoureux as Frédéric Sautel
- Magali Vendeuil as Louise Sautel
- Yves Peneau as Professor Cotteret
- Chantal Nobel as Michaëla Clauss
- Jean Topart as Chief
- Paul Mercey as Tronneger
- Robert Rollis as Rousseau
- Maurice Risch as Strole
- Yves Brainville as Chastignac
- Roger Desmare as French inspector