The waters surrounding an island become contaminated by chemical dumping, and people who eat fish caught in those waters become deformed and violent.
Cast
Ian Bannen
Dr. Shaw
Judy Geeson
Victoria Brown
John Paul
Dr. Quist
George Sanders
The Admiral
Simon Oates
Dr. Ridge
Jean Trend
Dr. Fay Chantry
Joby Blanshard
Bradley
Percy Herbert
Hartwell
Shelagh Fraser
Mrs. Betty Straker
Geoffrey Keen
Sir Henry Leyton
Joseph O'Conor
Vicar
Norman Bird
Brewer
Constance Chapman
Miss Johnson
Michael Brennan
Tom Straker
James Cosmo
Bob Gillette
Cyril Cross
George
George Woodbridge
Ferry Skipper
Jerome Willis
Lt. Com. Tavener
Jeremy Child
David Broome
Brian Anthony
Brian Murray
Rita Davies
Mrs. Murray
Walter Turner
Mr. Murray
Paddy Ryan
Grandfather Murray
Reg Lever
Sam
Pam St. Clement
Young Woman
Crew
Kit Pedler
Series Writer
Gerry Davis
Series Writer
Peter Sasdy
Director
Clive Exton
Screenplay
Keith Palmer
Editor
Eddy Joseph
Assistant Editor
Kenneth Talbot
Director of Photography
Derek Whitehurst
Assistant Director
Tony Tenser
Producer
Ronnie Maasz
Camera Operator
John Hilling
Wardrobe Master
Anne McFadyen
Hair Supervisor
Tom Smith
Makeup Supervisor
Michael Hopkins
Sound Editor
Ron Barron
Sound Recordist
John Scott
Original Music Composer
Ken Softley
Construction Manager
Jim Brennan
Location Manager
Doreen Soan
Continuity
Alan Cassie
Draughtsman
Jack Causey
Production Manager
Ronald Anscombe
Focus Puller
Colin Grimes
Art Direction
Sue Gentle
Stand In
