Guest Stars Samantha Beckinsale as W.P.C. Martin John Arthur as Sergeant Jarvis Mike Kemp as Harry Bolton Jim Sweeney as P.C. Barnes Harry Littlewood as Mr. Diggle Georgina Melville as Daphne Partridge Patsy Rowlands as Pamela Davenport Sara Cooper as Julia Lawson Philip Lawson as Tony Lawson
