Je sais rien mais je dirai tout

Pierre Richard as Pierre Gastié-le-Roy Hélène Duc as Gastié-le-Roy mère Pierre Tornade as Le commissaire Daniel Prévost as Morel, policier Francis Lax as Antoine Pierre Repp as Vernier Bernard Haller as Employee at the Unemployment Fund Victor Lanoux as Team Worker with Pierre Bernard Blier as Gastié-le-Roy père Georges Beller as Georges Luis Rego as Luis, cas social Danielle Minazzoli as Danou

Pierre Lhomme Director of Photography Didier Kaminka Writer Pierre Richard Director, Writer Michel Fugain Compositors