The ComDads (1983)

Unable to find her runaway son, a woman deceives two of her ex-lovers from her youth, a mild-mannered teacher and a tough journalist, that each is the real father in order to obtain their help.

Directed by: Francis Veber

Starring: Pierre Richard, Gérard Depardieu, Anny Duperey, Michel Aumont, Stéphane Bierry, Philippe Khorsand

Links: IMDb, Movie posters, Movie stills