Sideral Cruises

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.

Science Fiction Adventure

Madeleine Sologne

(Françoise Monier, aeronaut)

Jean Marchat

(Robert Monier, Françoise's husband)

Julien Carette

(Lucien Marchand, laboratory boy)

Paul Frankeur

(First smooth-talker)

Robert Arnoux

(Banker Antoine)

Simone Allain

(Béatrice)

Auguste Bovério

(Director)

Violette Briet

(Marie)

Jean Dasté

(Pépin)

Luce Ferrald

(Gaby)

Richard Francœur

(Charles)

Tony Jacquot

(Young bridegroom)

Georges Jamin

(Gustave)

Guita Karen

(Venusian)

Serge Laroche

(Philippe)

Hubert de Malet

(Venusian)

Marcel Maupi

(Policeman)

Jean Morel

(Commander)

Philippe Olive

(Second smooth-talker)

Paul Ollivier

(Uncle)

Suzanne Dantès

(Camille)

Suzanne Dehelly

(Georgette Marchand)

Bourvil

(Scientist)

Alfred Adam

(Decorator (uncredited))

Erno Crisa

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

Joé Davray

((uncredited))

Lucien Desagneaux

(Man at the sidereal station (uncredited))

Jacques Dufilho

(Lumberjack (uncredited))

Pierre Ferval

(Doorman of the scientific institute (uncredited))

Géo Forster

(Man at the sidereal station (uncredited))

Solange Guibert

(Waitress (uncredited))

François Joux

(Journalist (uncredited))

René Lacourt

(Lumberjack (uncredited))

Maurice Marceau

(Technician of the scientific institute (uncredited))

Albert Michel

(Police station employee (uncredited))

Maurice Pierrat

(Announcer (uncredited))

Émile Riandreys

(Consumer at the café (uncredited))

Maurice Salabert

(Chief mechanic (uncredited))