
Robert and Françoise Monier make a hot air balloon to fly to the stratosphere. After a visit to Venus, they return home, but have only aged 15 days whereas 25 years have passed on Earth.

as Françoise Monier, aeronaut

as Robert Monier, Françoise's husband

as Lucien Marchand, laboratory boy

as First smooth-talker

as Banker Antoine

as Béatrice

as Director

as Marie

as Pépin

as Gaby

as Charles

as Young bridegroom

as Gustave

as Venusian

as Philippe

as Venusian

as Policeman

as Commander

as Second smooth-talker

as Uncle

as Camille

as Georgette Marchand

as Scientist

as Decorator (uncredited)

as Man on the Merry-Go-Round (uncredited)

as (uncredited)

as Man at the sidereal station (uncredited)

as Lumberjack (uncredited)

as Doorman of the scientific institute (uncredited)

as Man at the sidereal station (uncredited)

as Waitress (uncredited)

as Journalist (uncredited)

as Lumberjack (uncredited)

as Technician of the scientific institute (uncredited)

as Police station employee (uncredited)

as Announcer (uncredited)

as Consumer at the café (uncredited)

as Chief mechanic (uncredited)