Wire in the Blood. S04 E02. Torment.

First broadcast 27th September 2006.

When a young prostitute is found dead, clinical psychologist Dr. Tony Hill sees an immediate parallel with the crimes committed by an incarcerated serial killer, Derek Tyler.

Robson Green ... Dr. Tony Hill
Simone Lahbib ... DI Alex Fielding
Andrew Westfield ... Derek Tyler
Michael Dunning ... Orderly
Lee Warburton ... DS Steve Mulligan
Siobhan Finneran ... DI Jan Shields
Emily Bowker ... Lianne Sullivan
Michael Webber ... Dr Julian Lake
Mark Penfold ... Dr Ashley Vernon
Emma Handy ... DC Paula McIntyre
Mark Letheren ... DS Kevin Geoffries
Stephen Bent ... Desk Sergeant
Glen Wallace ... Mr Michaels
Daymon Britton ... Carl Adams
Sarah Burke ... Tammy
Rachael McGuinness ... Shop Assistant (as Rachel McGuinness)
Jethro Skinner ... Tim Eccles
Aaron Crisp ... Ben Fielding
Sally Mates ... Mrs. McIntyre
Charlie Roe ... Mr. McIntyre
Guiliano Crispini ... Young man
Forbes KB ... Police Officer