Barbara Machin Creator, Writer Trevor Eve Det Supt Peter Boyd Actor Sue Johnston Dr. Grace Foley Actor Wil Johnson DS Spencer Jordan Actor Holly Aird Dr. Frankie Wharton Actor Claire Goose DC Amelia Silver Actor David Hemmings Ex-DCI Malcolm Finlay Actor William Armstrong Actor Susannah Harker Clare Delaney Guest Star Mark Aiken Tim Walker Guest Star David de Keyser Marcus Freeman Actor David Ashton Father Cameron Actor Paterson Joseph Dermot Sullivan Guest Star Simon Gregor Paul Bryant Guest Star Howard Goorney Harold Newman Actor David Burke Philip Bryant Guest Star Sheyla Shehovich Maya Wilson Guest Star Jonathan Tafler Young Edgar Truelove Actor Wayne Foskett Prison Officer Gates Guest Star Guy List William Pardy Guest Star Toby Mace Young Frank Sutton Actor Stephen Davis Writer Edward Bennett Director Maurice Phillips Director John Milne Writer Stephen Davis Writer Alexei de Keyser Executive Producer Joe Campbell Original Music, Music Paul Hart Original Music, Music Graham Frake Cinematographer Nick McPhee Film Editor