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