Doctors is a British medical soap opera which began broadcasting on BBC One on 26 March 2000. Set in the fictional West Midlands town of Letherbridge, the soap follows the lives of the staff and patients of the Mill Health Centre, a fictional NHS doctor's surgery, as well as its sister surgery located at a nearby university campus. The following is a list of characters that first appeared in Doctors in 2009, by order of first appearance. All characters are introduced by the programme's executive producer, Will Trotter. (Michelle Lukes) is introduced in January, with Karen Hollins (Jan Pearson) introduced in February as a receptionist. (David Sturzaker) debuts in May, while Zara Carmichael (Elisabeth Dermot Walsh) begins appearing in June. A month later, Rob Hollins (Chris Walker) is introduced as the husband of Karen, followed by their children, Imogen (Charlie Clemmow) and Jack (Nicholas Woodman). In August, (Elizabeth Rider) begins appearing, and is followed by married couple (Tessa Peake-Jones), (Neil McCaul). (Sam Heughan) and (David Hounslow) arrive later in the year.