A drama in six parts adapted from the book by TOM KEENE With BRIAN HAYNES with 1: The Arctic waters off northern Norway, an icy international border where the military forces of NATO and the Soviet Union play a cat-and-mouse game of surveillance and counter-surveillance. These same waters are prime fishing grounds and the destination for deep-sea trawlers of many nations. One such trawler is the Caistor.
Script JAMES MITCHELL
Additional material ROBERT SMITH
Music and title song RICHARD KARVEY Script editor ROGER GREGORY
Film editor CHRISTOPHER ROWLANDS Designer MYLES LANG
Producer COLIN ROGERS
Directed by MICHAEL CUSTANCE BBC Pebble Mill