After four attractive women are found strangled in and around the local river, the free-spirited wife of a London doctor is killed while on an extramarital assignation.
Caroline Bliss - Sarah Quin Robin Summers - Barman Keith Barron - Inspector Masters Ronald Pickup - Chief Inspector Moore Garry Cooper - Sergeant Holt Don Henderson - Ray Brannel Michael Fitzgerald - Edward Brannel Ken Wynne - Frank Preston Pip Torrens - Michael Quin Amanda Pointer - Female Student Andrew MacLachlan - Tony English Angela Curran - Chambermaid Thomas Wheatley - Dangerfield Jack Klaff - Stockton Kate Buffery - Dr. Lucas Rosemary Martin - Mrs. Cutforth Helen Lindsay - Mrs. Quin Christopher James - Police Constable George Raistrick - Farmer Michael Parkhouse - Solicitor Brian Poyser - Freddie Wyatt Roger Brierley - Defence Barrister Joanna Jeffrees - Young Student John Lanasis - Arresting Constable Angela Curran - Chambermaid