Robert Thorogood Creator, Writer Kris Marshall DI Humphrey Goodman Actor Danny John-Jules Dwayne Myers Actor Joséphine Jobert DS Florence Cassell Actor Tobi Bakare Officer J.P. Hooper Actor Don Warrington Comm. Selwyn Patterson Actor Alexander Arnold Matt Holt Actor Joshua Hill Actor Burt Caesar Father Floyd Lynch Actor Jack Donnelly Sam Walker Actor Louisa Connolly-Burnham Kim Sweeney Actor Neve McIntosh Actor Wendy Craig Mary Goodwin Actor Robert Daws John Green , Marcus Knight Actor Nimmy March Ottilie Dubois Actor Tara Fitzgerald Anouk Laban Actor Fola Evans-Akingbola Rosey Fabrice Actor Ade Oyefeso Addison Patrick Actor Trevor A Toussaint Cedrik Verga Actor Andrew Whipp Gary Holt Actor Élizabeth Bourgine Catherine Bordey Actor Yvonna Francas Producer Audrey Cooke Director Yvonne Francas Producer Emma Goodwin Writer Richard Signy Director Roger Simonsz Director Will Fisher Writer