Three murders - unsolved but never forgotten. Thirty years on, can DCI Bethall find the serial killer who terrorised 1970s Port Talbot?
Marc Evans
Scott Arthur
Sion Alun Davies
Keith Allen
Gareth John Bale
Aneurin Barnard
Kriss Dosanjh
Philip Glenister
Richard Corgan
Steffan Rhodri
Oliver Ryan
Steve Nicolson
Nia Roberts
Richard Harrington
Karen Paullada
Natasha Vasandani
Severn Screen
BBC One
