Emilia Fox Nikki Alexander Actor David Caves Jack Hodgson Actor Liz Carr Clarissa Mullery Actor Richard Lintern Dr Thomas Chamberlain Actor Paul Brennen Geoff Ward Guest Star Dean Andrews Tony Hamilton Guest Star Renee Castle Rachel Sharpe Guest Star Ian Alexander Kevin Ivers Guest Star Jessica Collins Young Alma Begovic Guest Star Aimee Barrett Bella Day Guest Star Paul Marc Davis Security Man Guest Star Liam Bewley Cafe Owner Guest Star Sally Carman DCI Sally Butcher Guest Star Graham Curry Origins Centre Staff Guest Star Jonathan Broadbent Daniel Rowland Guest Star Daniela Denby-Ashe Julia Lubas Guest Star Janie Booth Elderly Woman Guest Star Oliver Ebsworth Bobby Wilson Guest Star David Cann DI Murray Porter Guest Star Niamh Cusack Sylvie Blake Guest Star Laura Mackie Executive Producer Jessica Pope Executive Producer Anne Pivcevic Executive Producer Hilary Salmon Executive Producer Graham Mitchell Writer Tom Butterworth Writer Thaddeus O'Sullivan Director Madonna Baptiste Executive Producer Ed Whitmore Writer Chris Hurford Writer Richard Senior Director Matthew Arlidge Writer Tracey Malone Writer David Drury Director Mark Everest Director Keith Boak Director