Guest Stars Rory Burns as Roger Wakefield Finn Den Hertog as Willie James Fleet as Reverend Reginald Wakefield Tracey Wilkinson as Mrs. Graham Edmund Digby-Jones as Corporal Hawkins Simon Meacock as Hugh Munro Nicholas Aaron as Arnold Alan McHugh as Sgt. McKinney Gerry McLaughlin as Constable Boyle James Groom as Harry Olivia Morgan as Sally John Wark as Detective Collins