A face from the past may be responsible for a series of assaults on children. But, for once, sentimentality dictates Frost's actions.
David Jason - D.I. Frost Susannah Doyle - D.S. Liz Maud Bruce Alexander - Supt. Mullett John Lyons - D.S. Toolan Peter Gunn - Sydney Snell Gwyneth Powell - Kitty Rayford Emer Gillespie - Nurse Julie Norman Tyrrell - Harbin Tom Radcliffe - Mark Grover Melanie Jessop - Caroline Ian Peck - Phil Collard Paul Moriarty - Sgt. Wells Caroline O'Neill - Maggie Hoxton Charlie De'Ath - D.C. Collier (as Charles De'Ath) Bill Stewart - Sandy Longford Nigel Harrison - D.C.I. Peters Shelagh Fraser - Mrs. Hinkley Grant Masters - Den Milton David McKail - Dr. McKenzie David Gooderson - Pathologist Virginia Fiol - Lily Turner Amanda Garwood - Lady GP Billy Riddoch - Hammond (as Bill Riddoch) Dermot Keaney - Dougie Cooper Polly Kemp - Dr. Hamilton Myles Hoyle - Maltby Shelly Willetts - Mrs. Milton (as Shelley Willetts) Arthur White - Ernie Trigg Peter Geddis - Neighbour Peter Waddington - Rail Inspector
