Niamh Algar Sadie Byrne , Lizzie James Actor El Anthony Mark De Costa Actor Edwin De La Renta Kash Actor Rochenda Sandall Lucy Actor James Hillier Ci Tony Leech Actor Alison Ford Ellie Actor Katie Buchholz Rachel Nickell Actor Danny Parsons André Hanscombe Actor D'vante Hart Alex Hanscombe Actor Harry Treadaway DI Keith Pedder Actor Charlie Carter DC Long Actor Eddie Marsan Paul Britton Actor Nathaniel Martello-White Baz Actor Sion Daniel Young Colin Stagg Actor Kirsty Averton Hairdresser Actor Natasha Jayetileke Newsreader Actor Emilia Di Girolamo Writer, Executive Producer Niall MacCormick Director Ado Yoshizaki Cassuto Producer David Nath Executive Producer Peter Beard Executive Producer