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 2018, by order of first appearance. All characters are introduced by the programme's executive producer, Mike Hobson. The nephew of Jimmi Clay (Adrian Lewis Morgan), (Robin Morrissey), is introduced in January, as well as his friend (Laura Ainsworth) and Practice Manager (Michael Fatogun). April sees the arrival of course instructor (Sam Battersea), as well as , a foster child of Rob (Chris Walker and Karen Hollins (Jan Pearson). Locum nurse (Cerrie Burnell) arrives in May, and (Chaneil Kular) is introduced as the boyfriend of Alia Hanif (Lisa Ambalavanar) in June. Social worker (Aaron Fontaine) begins appearing in September, as well as (Neil Grainger), the Practice Manager of Sutton Vale surgery. Additionally, multiple appear throughout the year.