Nigel McCrery Creator Emilia Fox Dr Nikki Alexander Actor David Caves Jack Hodgson Actor Aki Omoshaybi Dr Gabriel Folukoya Actor Rhiannon May Cara Connelly Actor Alastair Michael Velvy Schur Actor Genesis Lynea Simone Tyler Actor Matthew Gravelle Tom Faulkner Actor Hugh Quarshie Jomo Mashaba Actor Ian Puleston-Davies DSI Ronnie Boyle Actor Amanda Burton Sam Ryan Actor Jason Wong Dr Adam Yuen Actor Richard Lintern Dr Thomas Chamberlain Actor Liz Carr Clarissa Mullery Actor William Gaminara Dr. Leo Dalton Actor Tom Ward Dr. Harry Cunningham Actor John McGlynn DI Tom Adams Actor William Armstrong Dr. Trevor Stewart Actor Sam Parks Fred Dale Actor Ruth McCabe Wyn Ryan Actor Clare Higgins Det. Supt. Harriet Farmer Actor Mick Ford Det. Supt. Peter Ross Actor Sheridan Tongue Original Music Anne Pivcevic Executive Producer Laura Mackie Executive Producer Jessica Pope Executive Producer Phillipa Giles Executive Producer Sharon Bloom Producer Ceri Meyrick Producer Lawrence Till Executive Producer Ed Whitmore Writer Bill Anderson Director Nick Lambon Producer Maurice Phillips Director Renny Rye Director Diarmuid Lawrence Director Coky Giedroyc Director Thaddeus O'Sullivan Director Susan Tully Director Tony McHale Writer