Gramps Is a Great Guy! (1987)

Nightclub musician Sebastian, discovers one evening with surprise that he is supposedly the grandfather of a boy with the same name as him.

IMDb rating	5.4
Producers	TF1 Films Production, Les Films de la Tour, Cléa Productions, Port Royal Films
Original title	Il est génial papy!
Directors	Michel Drach
Writers	Jean-Claude Islert, Michel Lengliney, Michel Drach

Cast

Guy Bedos

as Sebastien

Marie Laforêt

as Louise

Valérie Rojan

as Violette

Isabelle Mergault

as Zaza

Fabien Chombart

as Le petit Sébastien

Élisabeth Vitali

as Susy

Aladin Reibel

as François