© 2026 The Couch Critic
Status
Released
Release
1981
Runtime
1h 25m
Four British teens on vacation visit an island and discover that a terrorist group is using it as their headquarters.
15 Cast Members
Norman Bowler
Bill Smugs
Wilfrid Brambell
Uncle Jocelyn
Eleanor Summerfield
Aunt Polly
Catherine Schell
Alison Mannering
John Rhys-Davies
Smith
Leon Lissek
Jo
Paul Williamson
M.I.5 Boss
Frank Williams
Map Shop Owner
Peter Forbes-Robertson
Mr. Roy
Julie Neesam
Maggie
John Forbes-Robertson
Mr. Roy
Patrick Field
Philip Mannering
Chloe Franks
Dinah Mannering
Perry Benson
Jack Trent
Daryl Back
Lucy-Ann Trent