Casualty (TV series) Casualty (TV series) Casualty, stylised as CASUALY, is a British medical drama series that airs weekly on BBC One (sometimes with a short break in the summer between series, but not always). It is the longest-running emergency medical drama television series in the world, and the most enduring medical drama shown on prime time television in the world. Created by Jeremy Brock and Paul Unwin, it was first broadcast in the United Kingdom on BBC One on 6 September 1986. The original producer was Geraint Morris. The programme is set in the fictional Holby City Hospital and focuses on the
Characters of Holby City the characters gathered together in the hospital bar at the end of the episode, and raised a toast "To the one and only Sandy!" Estelle "Essie" Harrison, played by Kaye Wragg, made her first appearance in the sixteenth series episode "My Name Is Joe", which aired on 6 May 2014. Essie is a Staff Nurse at Holby City Hospital. She came to the hospital with her dying grandfather and she started a relationship with Sacha Levy (Bob Barrett). She later moved to Germany after her grandfather died. In October 2014, it was announced that Wragg would be returning to "Holby