DC/DS 'Taff' Jones; (played by Meic Povey), a Welshman. Although not seeming particularly bright on first sight, Jones often proved sharper (though only mildly) than his superior, and was quietly amused by Arthur's frequent humiliation of Chisholm, even occasionally going into the Winchester for a social drink, away from Chisholm's domination. He tolerated the put-downs of his senior officer with 'Celtic willpower and a morbid fear of unemployment'. Jones was promoted to Detective Sergeant in Series 7, with DC MacDonald (Robin Cameron) as his assistant.