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