Guest Stars Maanuv Thiara as DC MacBride Kathryn Hunter as Tabitha Edwards Connie Kiss Mee as Young Susan Tina Harris as Custody Officer Hughes Lolly Jones as Custody Officer Gibson Aaron Neil as Nigel Burman Pui Fan Lee as Briony Burman Laila Alj as Accountancy Manager Jason Williamson as Danny Nichol Ali Azhar as Francois - Shopkeeper