Callan (TV series) is run by Colonel Hunter. ("Hunter" is a pseudonym for the current Section Chief, like the C of SIS.) The Section removes those who pose a danger to the "innocent" by persuasion, blackmail, extortion or death. David Callan had been the Section's top operator but he had become too curious about his targets and the rationale for their removal. The Section considered him vulnerable, volatile and dangerous and had laid him off to a dead-end book-keeping job for an ungrateful employer. ABC then commissioned a series of six episodes in 1967. In the first episode Callan rejoins the section in
Oliver Callan One television. The radio version of the show has led to controversy over his portrayal of Ireland's President Michael D. Higgins and his aide Kevin McCarthy which led to RTÉ producers ordering Callan to tone down on. The "Callan's Kicks" TV spin-off debuted on New Year's Eve 2013. "Callan Kicks the Year" proved a hit with viewers on RTÉ One television, and its ratings beat Christmas specials by rivals The Mario Rosenstock Show and Irish Pictorial Weekly. The show once again proved controversial in its portrayal of the President and his aide leading the Sunday World to publish a front