David Tennant Tom Kendrick Actor, Executive Producer Cush Jumbo Jess Milner Actor Matthew McNulty Steve Campbell Actor Anna Madeley Kate Kendrick Actor Laurie Brett DC Gemma Darlington Actor Gordon Brown DCI Spencer Collins Actor Lisa McGrillis Sandra McKay Actor Maureen Beattie Carol Kendrick Actor Lindy Whiteford Ruth McKenzie Actor Ron Donachie Callum McKenzie Actor Lorn Macdonald PC Taylor Clarke Actor Lewis Gribben Dylan Denham-Johnson Actor Jamie Michie Simon Wells Actor Stuart Bowman Dr Mark Denham-Johnson Actor Julie Miller Lynn Denham-Johnson Actor Grace Calder Tessa Wells Actor Orla Russell Emily Kendrick Actor Felicity Keenan Iris Kendrick Actor Lilac Jackson Charlotte Kendrick Actor Bradley Connell Lewis Campbell Actor Bhav Joshi Pathologist Actor Evie Sheil Molly Wells Actor Aaron Connell Elliot Campbell Actor Lynsey Miller Director Daisy Coulam Writer, Executive Producer Caroline Levy Producer Emma Kingsman-Lloyd Executive Producer Karen Wilson Executive Producer