Caroline Graham Creator Neil Dudgeon DCI John Barnaby Actor Nick Hendrix DS Jamie Winter Actor Fiona Dolman Sarah Barnaby Actor Susie Blake Gemma Christie Actor Abigail Cruttenden Nell Fryer Actor Nicholas Gleaves Ray Fryer Actor Georgie Glen Mary Oswood Actor Anamaria Marinca Petra Antonescu Actor Paul Shelley Walter Oswood Actor Claire Skinner kitty Oswood Actor Samuel West James Oswood Actor Chris Lew Kum Hoi Ronin Chow Actor John Macmillan Solomon Franks Actor Thalissa Teixeira Jane Everard Actor Karl Theobald Doug Vaughan Actor Jodie Tyack Polly Oswood Actor Lotte Rice Samantha Berry Actor Jo Wright Executive Producer Ella Kelly Producer Alex Pillai Director Jim Parker Original Music