"Based on the children's adventure novel by Enid Blyton, five young children come to learn the secrets of a ruined castle."
Richard Heffer
as Colonel Yarmouth
Gareth Hunt
as Bill Cunningham
Ian Barritt
as Bill's Colleague
Colin Bruce
as John Grogan
Susan George
as Allie Mannering
Bernard Brown
as English Officer
Stephan Grothgar
as German Officer
Richard Hanson
as Phillip
Hugo Guthrie
as Jack
Rosie Marcel
as Dinah
Bethany Greenwood
as Lucy-Ann
Joan Blackham
as School Teacher
Terry Bamber
as Railway Ticket Collector
Brian Blessed
as Sam
Richard Ridings
as Nico
Eileen Hawkes
as Tassie
Corrine Ransome
as Rose
Miranda Forbes
as Traffic Warden
Edward Peel
as Mannheim
Isobel Black
as Aunt Jane
Andrew Morgan
as Fraser
Michael Walker
as Gerry
Tony O'Callaghan
as Jeff
Robert Angell
as Tim
Roger Alborough
as Army Sergeant
Ted Francis
Producer
J. Nigel Pickard
Executive Producer
John Price
Co-Producer
Second Assistant Director
Kenny Palmer
Props
Writer