Piper 's last credit however was in a film , a minor role in the 1971 production Burke & Hare .
His TV credits during the 1960s included popular series such as Danger Man , Dixon of Dock Green and cult favourite The Prisoner .
Piper 's last credit was in a film , a minor role in the 1971 production Burke & Hare .
His TV credits during the 1960s included popular series such as Danger Man , Dixon of Dock Green and cult favourite The Prisoner .