Callan 1974 (DVD) Patricia Wettig Wiseguy veers from traditional 'bad though all want them Wiseguy veers from traditional 'bad guy of the week' police procedural by breaking the drama into multi episode story arcs that followed an Organized Crimes Bureau case and its charismatic criminal suspects to its logical conclusion in the dirty streets of the City of Thieves His assignment is to kill a businessman responsible for a number of bombings and gun running So successful was the hit man with the viewers that author James Mitchell was asked to write a series that went on to become one of the most successful series in British TV history and ran from 1967 through to 1972