Un témoin dans la ville

Michel Etcheverry as Investigating judge Henri Belly as Louis aka 'Petit Louis' Billy Kearns as American soldier Jacques Monod as Verdier's lawyer Françoise Brion as Jeanne Ancelin Dany Jacquet Alain Nobis as The author of the accident with Verdier Jean Lara as Mr. Catherine Jean Daurand as Bernard, a regular at the café Jacques Mancier Micheline Luccioni as Germaine, radio taxi Ginette Pigeon as Muriel, prostitute Joëlle Janin as Switchboard operator Robert Dalban as Raymond, taxi driver Janine Darcey as Owner of the hotel Jacques Jouanneau as Car rental Dora Doll as Prostitute (uncredited) Daniel Ceccaldi as Italian taxi customer Geneviève Cluny as Announcer Gérard Darrieu as Pierre, Ancelin's colleague Franco Fabrizi as Lambert, night radio taxi Sandra Milo as Liliane Paul Bisciglia as Taxi driver Charles Bouillaud as Taxi driver, friend of Raymond Lino Ventura as Ancelin Jacques Berthier as Pierre Verdier René Hell as Grandfather

Alain Poiré Screenplay, Producer André Tabet Dialogue Henri Decaë Director of Photography Édouard Molinaro Director, Screenplay Pierre Boileau Novel Georges Tabet Dialogue Barney Wilen Original Music Composer Thomas Narcejac Novel Gérard Oury Screenplay