The thirtieth series of the British medical drama television series Casualty commenced airing on BBC One in the United Kingdom on 29 August 2015, and concluded on 30 July 2016. The series consisted of 43 episodes, including the broadcast of the show's 1000th episode on 25 June 2016. Erika Hossington continued her role as series producer, while Oliver Kent continued his role as the show's executive producer. Seventeen cast members reprised their roles from the previous series with five actors, including three long-serving cast members, departing during this series. Chelsea Halfpenny appeared in the serial between September and November 2015 as F2 Alicia Munroe, reprising the role as a main cast member in July 2016. Alistair Brammer joined the cast for a four-month guest stint as receptionis