They All Sound Simple at First (S7E4): Called in by a cabinet-maker to recover £700 he's owed for an antique clock, Marker finds that even the easiest of cases isn't all that simple.
It features Alfred Burke, Peter Childs, Philip Madoc, Peter Bowles, and Diane Keen.
Public Eye is a British television crime drama series, which originally aired between 1965 and 1975. Frank Marker is a cynical, dour and world-weary, private eye, who is frequently the unwitting stooge in bigger criminal wheels in his attempts to make a tenuous living.