The eighteenth series of the British medical drama television series Holby City commenced airing in the United Kingdom on 13 October 2015, and concluded on 4 October 2016. The series consists of 52 episodes. Oliver Kent continues his position as the show's executive producer, while Simon Harper serves as the series producer. Sixteen cast members reprised their roles from the previous series, while several recurring characters, and numerous guest stars feature in the series. Four actors depart during the series and two cast members reprise their roles after taking breaks in the previous series. Jemma Redgrave appeared in the series between February and September 2016 as general surgeon Bernie Wolfe. Jason Robertson joined the semi-regular cast in February 2016 as Jason Haynes, and two new c