Matthew Gore is an intelligent boy chosen by a mysterious extraterrestrial visitor to be a source of information about life on Earth. As his schoolwork and artistic talent improve dramatically he arouses the suspicion of powerful groups who wish to tap into the amazing fund of knowledge to which he is now party.
Carol Drinkwater
James Hazeldine
Andrew Ellams
Zoë Hart
Devin Stanfield
Glynis Brooks
James Greene
Penny Brownjohn
Colin McCormack
Kelita Groom
Jonathan Jackson
P.J. Bickford
Catherine Elcombe
Jeremy Bulloch
John Grillo
John Pennington
Lynne Pearson
Derek Broome
Martyn Lewis
Patrick Blackwell
Kathleen Cotty
Leo Dolan
Gary Raynsford
Deborah Fairfax
Janet Henfrey
Brian Redhead
Gary Watson