A woman in Paris hires a taxi driver to locate her ex-lover, father to her newborn child, who left her without leaving an address.
Bernard Blier
as Émile Gauthier, chauffeur de taxi et trésorier du syndicat
Danièle Delorme
as Thérèse Ravenaz, jeune mineure provinciale
Pierre Trabaud
as Gaston, le co-chauffeur d'Émile
Pierre Mondy
as L'ami de Forestier
Julien Carette
as Le tapissier
France Roche
as Catherine, une journaliste
Paul Villé
as Victor
Yvette Etiévant
as Adrienne Gauthier, la femme d’Émile
Sophie Leclair
as Raymonde, la petite amie de Gaston
Gérard Oury
as Un journaliste
Arlette Marchal
as Mme Forestier
Michel Piccoli
as Un journaliste aux archives
