Six children are found spread through out the world that not only have enormous intelligence, but identical intelligence and have a strange bond to each other.
Ian Hendry
as Col Tom Llewellyn
Alan Badel
as Dr. David Neville
Barbara Ferris
as Susan Eliot
Alfred Burke
as Colin Webster
Clive Powell
as Paul
Yoke-Moon Lee
as Mi Ling
Roberta Rex
as Nina
Gerald del Sol
as Aga Nagalo
Mahdu Mather
as Rashid
Frank Summerscale
as Mark Robbin
Sheila Allen
as Diana Looran
Ralph Michael
as Minister of Defense
