Guest Stars Amy Wren as Gemma Hillman Bronagh Waugh as DC Stella Beckett Phil Davis as DI Liam Cox Catherine Tyldesley as Kate Tuckman Erin Shanagher as Fiona Baker Dominic Allburn as Carl Tuckman Fehinti Balogun as Greg Sullivan Marcus Garvey as DC Roly Dalton Andrew Hawley as Tim Sarah Niles as DCI Jill Conroy Shannon Murray as Hayley Jones Karen Henthorn as Janice Baines Kíla Lord Cassidy as Caitlin Sterling Hubert Hanowicz as Pavel Ludic Sia Kiwa as Melissa Nicola Holt as Nadia Bailey
