Main Characters
Recurring Guest Characters
Det. Chief Inspector Sangster
1 guest appearances
Despatch Rider
1 guest appearances
Sergeant Morgan
1 guest appearances
Site Foreman
1 guest appearances
Mrs. Harris
1 guest appearances
George Ayres
1 guest appearances
Local Man in Bar
1 guest appearances
Phil Andrews
1 guest appearances
Carol Blackburn
1 guest appearances
Dr. Peters
1 guest appearances
James Blackburn
1 guest appearances
Dr. Gregory
1 guest appearances
Detective Superintendent Cathcart
1 guest appearances
TV Announcer
1 guest appearances
Barman
1 guest appearances
Coroner
1 guest appearances
Havelock
1 guest appearances
Brewster
1 guest appearances
Laboratory Assistant
1 guest appearances