First broadcast 14th January 2001.
Working with a problematic new partner, Frost investigates a homicide and a disappearance and has to prove that he is not the man harassing women in Denton.
David Jason - DI Jack Frost
Bruce Alexander - Supt. Mullett
Robert Glenister - D.S. Terrence Reid
John Lyons - D.S. Toolan
Joanne Froggatt - Anne
David Horovitch - Jameson
Arkie Whiteley - Dr. Helena Gibson
Dermot Crowley - Dr. Bennet
Frank Kovacs - Dr. Retnik
Chris Gascoyne - Dr. Bill Hughes
Colin Mace - Anderson
Arthur White - Ernie Trigg
James McKenna - Sgt. Brady
Michael Moreland - PC Prentice
Colin Farrell - Lawrence Dale Brewer
Bill Fellows - James Ingram
Sophie Thursfield - Louise Ingram
Peter Benedict - Pinkley
Peter Edbrook - Rollo
David Gooderson - Pathologist
David McKail - Dr. McKenzie
Sophie Walker - Miss Redmond
Paul Mari - Track Manager
Clive Hayward - Paul Hobday
Sheila Ruskin - Mrs. Royden
Eamon Geoghegan - Site Manager
Brigid Zengeni - ICU Night Nurse
David Durham - Maintenance Man
Heidi Monsen - Mrs. Stevenson
Bella Hamblin - Woman 1
Judith Davis - Woman 2
Sue Huggins - Customer
Reece Andrews - PC 1
Anthony Fox - Security Manager
Keith Ducklin - Doctor