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