A French animal lover protects a dog and a mouse wanted by Soviet scientists for their space program.
as Léon Martin
as Marguerite Martin
as Chazot
as Dina, interpreter
as Soviet ambassador
as Gendarmerie adjutant
as Marie
as Doctor
as Soviet cultural attaché
as Villager
as Mireille Martin
as Paul de Grandlieu
as Professor Papov
as Hubert, government delegate
as Mayor of Lésigny
