Tom Riley DI Will Wagstaffe Actor Kobna Holdbrook-Smith DS Dave Pulford Actor Alex Carter Ray Monk Actor Tom Brooke DS Rick Johnson Actor Anjli Mohindra DC Josie Chancellor Actor Michele Austin Annie Webb Actor Jason Maza Mullan Actor Gregg Chillin Dr Luke Paul Actor Justin Salinger Mark Regis Actor Simone Kirby Debbie Collins Actor Charlotte Riley Juliette Actor Christopher Fulford Bob Jessop Actor Natalia Kostrzewa Kat Actor Tim Treloar DS Smethurst Actor Colin Mace Vern Creecy Actor Hannah Barrie Holly Actor Joseph Teague Harry Actor Edward Akrout Paulo Actor Yasmin Monet Prince Laura Murray Actor Miranda Raison Sylvie Actor Colin Teague Director Ben Harris Writer Chris Clough Producer Chris Lang Writer, Executive Producer Letitia Knight Producer Kate Bartlett Executive Producer Michael Dawson Executive Producer