- Jean Tissier - Father 'La Coquille'
- Michel Barbey - Vasci
- Jacques Monod - Commissioner
- Étienne Bierry - Inspector Le Gall
- Daniel Ceccaldi - Inspector Belin
- Bernard Lajarrige - Inspector Lenoir
- Patricia Viterbo - Éliane
- François Darbon - Inspector Couture
- Georges Aubert - Inspector
- Robert Berri - Boss of the short-time hotel
- Paul Pavel - Roger Dubois aka 'La grenouille'
- Patrick Préjean - Worker
- Albert Dinan - Inspector Picard
- Albert Médina - Commissioner
- Jean Lara - Inspector Dumas
- Yves Barsacq - Inspector
- Roger Dutoit - Grégorio
- Charles Millot - Mick
- Pierre Doris - Boss of the Monaco hotel
- Sylvain Lévignac - (uncredited)
- Gilbert Servien - (uncredited)
- Jean-François Zeller - (uncredited)
- Maurice Cloche
- Maurice Cloche
Capítulo disponible en las siguientes plataformas:
