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
K. Callan Gigolo" (1980), "A Change of Seasons" (1980) and "Fast-Walking" (1982), as well as the television adaptation of the Lanford Wilson play "The Rimers of Eldritch". She has written several books, including "The Script Is Finished, Now What Do I Do?", "Directing your directing career", and "How to Sell Yourself as an Actor". Callan was married to and divorced from author, James Ruskin Callan. The couple had three children, James Callan, Kelly Callan, and Kristi Callan. K. Callan K. Callan (born Katherine Elizabeth Borman; 1936) is an American author and actress known for playing Clark Kent's mother Martha in the ABC