First broadcast 22nd October — 5th November 1989.

When 5-year-old John disappears, Reg Wexford is obsessed with the memory of the similar, yet unsolved disappearance of a little girl that happened years ago.

George Baker ... Det. Chief Insp. Wexford
Christopher Ravenscroft ... Det. Insp. Burden
Celia Gregory ... Gemma Lawrence
Dave Hill ... Dep. Chief Constable Freeborn
Simon Shepherd ... Ivor Fairfax Swan
Marion Bailey ... Ros Swan
Louie Ramsay ... Dora Wexford (as Louie Ramsey)
Ken Kitson ... D.S. Martin
Marian McLoughlin ... Grace (as Marion McGloughlin)
Noah Huntley ... John Burden
Emma Smith ... Pat Burden
Susan Bovell ... WPC Johnson
Colin Campbell ... Sgt. Willoughby
John Burgess ... Dr. Crocker
Michael Gunn ... D.C. Thomas
Terry John ... D.C. Loring
Lynda Rooke ... Tracy Mitchell
Jason Bonne-Grey ... Gary Dean
Linda Polan ... Mrs. Dean
Cecily Hobbs ... Eileen Rushforth
David Sibley ... Bob Rushforth
Chris Stanton ... Arnold
Dilys Hamlett ... Mrs. Scott
Robert Austin ... Ray Bucks
Nick Edmett ... Steve Little
Christine Moore ... Mrs. Foster
Guy Phillips ... TV Reporter
Clare Stratton ... Young Pat Burden
John Nicholson ... Young John Burden
Gail Taphouse ... Leonie West
Sam Moore ... John Lawrence
Charon Bourke ... Sylvia Wexford
Martin Dew ... Police Sergeant
Matthew Grundy ... Robin Fairfax
Claire Goose ... Girl frightened on footpath