Nigel McCrery Creator Emilia Fox Dr Nikki Alexander Actor David Caves Jack Hodgson Actor Maggie Steed Harriet Actor Francesca Mills Kit Actor Nathan Wright Steve Gantry Actor Adam Rayner Gary Booth Actor Zita Sattar DCI Jilly Bashir Actor Mollie Winnard DI Claire Ferris Actor Laura Pitt-Pulford Suzie Clemence Actor Jason Done Sergeant Robert Andrews Actor Dino Fetscher Jason Webb Actor Philip Cumbus Richard Mazer Actor Jane Slavin Lois Hill Actor Tony Gardner Ron Hill Actor Nancy Farino Saskia Hill Actor Lesley Molony Home Secretary Actor Levi Brown Constable David Nesbit Actor Seán Gleeson Producer Ed Whitmore Writer Suzi McIntosh Executive Producer