Patrick Allen
— Chief Insp. Newton
Glynn Edwards
— Det. Sgt. Bob Bedford
Ronald Lacey
— Len Ferris
Anne Blake
— Mrs. Masters
Jeremy Longhurst
— Sgt. Eddie Morgan
John Bryans
— Sydney Oliver
Joanne Dainton
— Carol Shaw
Michael Gaunt
— Det. Con. Harris
Hamilton Dyce
— Chief Supt. Clyde
Donald Layne-Smith
— Hone Office Pathologist