Ronald Radd

Callan is the title of a British television series set in the murky world of espionage. Originally produced by ABC Weekend Television and later Thames Television, it was aired on the ITV network over four seasons spread out between 1967 and 1972. The series starred Edward Woodward as David Callan, a reluctant professional killer for a shadowy branch of the British Government's intelligence services known as 'the Section'.

This syndicated anthology series staged a different play every week covering all genres, dramas, comedies, musicals, fantasies, mysteries, et al, utilizing some of the best talent appearing on Broadway.

The Main Chance was a British television series which first aired on ITV between 1969,1970,1972 and 1975. A drama, it depicts the sudden transformation in the life of solicitor David Main who relocates from London to Leeds.