Guest Stars David Gooderson as Derek Simpkins, Pathologist Paul Moriarty as Sgt. Bill Wells Caroline Harker as WPC Hazel Wallace Stuart Barren as Sgt. Johnnie Johnson Jon Sotherton as DC Mark Howard Ian Driver as DC Jordan Christopher Rickwood as PC Stringer Tony Haygarth as DS Sandy Gilmore Annabel Leventon as Marion John Vine as Michael Bell John Bleasdale as Bernard Hicks Bunny May as Geoffrey Rickman Amanda Elwes as Alex Compton Charles Dale as Colin Fletcher Diane Bull as Cheryl Bartlett Dominic Jephcott as George Compton Steve Swinscoe as Sean Hamilton Denise Black as Jen Hamilton
