A group of schoolchildren come upon an alien from Venus, and help him against a gang of criminals who are trying to kidnap him.
Marcia Monolescue
as Sumac
Gillian Harrison
as Greta
Fella Edmonds
as Rodney
Andrew Motte-Harrison
as Adolphus
Tony Lyons
as Number Thirteen
Hilda Fenemore
as Mother
Donald Gray
as Headmaster
Patrick Boxill
as Mr. Pole
Raymond Rollett
as Number One
Patrick Connor
as Number Twenty-Nine
Henry Purvis
as Number Seven
Peter Bathurst
as Bank Manager
