Guest Stars Karima McAdams as Miriam Attar James Eeles as Mike Brooke Haynes as Emma Age 6 Anna Berentzen as Young Emma Christine Bottomley as Jenna Brooks Cathy Murphy as Beth Simms Colin Stinton as Jack Kretchmer Ben Cartwright as Phil Simms Jack Hollington as Jason Peterson Catherine Steadman as Karen Buxton Anna Shaffer as Leila James Thorne as Derek Peterson Brendan Patricks as DCI Nicholas Staines Priyanga Burford as Zeinab Akbari Carol Plant as Female Prison Officer Elizabeth Conboy as Supervisor Sam Crane as Luke Suzette Llewellyn as Delilah Hamlin Richard Simons as SO15 Tech Sammy Winward as Siobhan Murphy Simon Hepworth as Oliver Jones Lara Cazalet as Janice Long
