Pierre Tchernia

When he investigates his daughter's disappearance, a bookseller discovers an underground society, living literally under the streets of Paris. (imdb)

The president of a political party enlists a comedian to take his place as he hides from an escaped criminal.

Doctor Galipeau has a brother, Emile, whose wife has just given birth to a baby boy and who dreams of owning a house. He has just examined Louis Martinet, an old man who, according to him, is in the last stages. That is why he advises Emile to purchase Martinet's house for an annuity. Unfortunately for the Galipeaus, not only does Martinet recover but, month after month, year after year, the "dying man" proves hale and hearty as well! (imdb)

Michaud (Michel Serrault) is a timid and anxiety-ridden security-systems technician who is prone to daydreams like Walter Mitty. Continually teased by his colleagues and his taunting alter ego, Michaud is victimized by a fellow employee who tries to implicate him in a bank robbery. He emerges from his emotional isolation and daydreams to help trap the crooks. (Allmovie)

This film is directly inspired by Asterix, created by René Goscinny and Albert UDERZO, chronicles the adventures of a little boy, Antoine, who entered the world of antiquity by studying its history lesson and two Romans, and TICKETBUS PROSPECTUS, who prefer to leave their life of legionnaires and discover the lifestyle of Gaulois. Antoine meeting Asterix cartoon form, which explains certain peculiarities of life in Lutetia.