Nathaniel Parker DI Thomas Lynley Actor Sharon Small DS Barbara Havers Actor Lesley Vickerage Helen Lynley Actor Emma Willis Nicola Maiden Guest Star Daniel Ryan Guest Star Patrick Kennedy Guest Star Jemma Redgrave Guest Star Tom Lawrence Gerry Cole Guest Star Barbara Flynn Guest Star Michael Culkin Guest Star Terence Harvey Guest Star David Burke DSI Webberley Guest Star Alrick Riley Director Brian Stirner Director Sebastian Graham Jones Director Elizabeth George Writer Kevin Clarke Writer Sally Haynes Executive Producer Simon Booker Writer Ann-Marie di Mambro Writer