Guest Stars Amy Wren as Gemma Hillman Catherine Tyldesley as Kate Tuckman Phil Davis as DI Liam Cox Bronagh Waugh as DC Stella Beckett Dominic Allburn as Carl Tuckman Fehinti Balogun as Greg Sullivan Marcus Garvey as DC Roly Dalton Sarah Niles as DCI Jill Conroy Kíla Lord Cassidy as Caitlin Sterling Shannon Murray as Hayley Jones Erin Shanagher as Fiona Baker Hubert Hanowicz as Pavel Ludic Andrew Hawley as Tim Karen Henthorn as Janice Baines Sia Kiwa as Melissa Lucy Chambers as Chloe Tuckman Ian Puleston-Davies as Donald Vernon Carlyss Peer as Sarah Young Phillip Langhorne as Dominic Banley Sebastian Peters as Max Young Nicola Holt as Nadia Bailey Debbie Brannan as Woman Liam Ainsworth as Man Warren James Dunning as Mike
