Cast
- Wladimir Ivanowski as Roland Beltoise
- Laurent Allais as Le fils du Commissaire Chenu
- Bruno Cremer as Le commissaire Chenu
- Gérard Lanvin as Julien Ravel
- Albert Dray as Tangui (SRPJ Lyon)
- Jean-Pierre Bagot as Lemorvan (SRPJ Lyon)
- Jean Benguigui as Guérin (SRPJ Lyon)
- Jean-Pierre Castaldi as Lepage (SRPJ Lyon)
- Marc Chapiteau as Bontemps (SRPJ Lyon)
- André Rouyer as Duvivier (SRPJ Lyon)