Characters of Holby City Characters of Holby City "Holby City" is a British medical drama television series that premiered on 12 January 1999 on BBC One. The series was created by Tony McHale and Mal Young as a spin-off from the established BBC medical drama "Casualty". It is set in the same hospital as "Casualty", Holby General, in the fictional city of Holby, and features occasional crossovers of characters and plots with both "Casualty" (in episodes broadcast as "Casualty@Holby City") and the show's 2007 police procedural spin-off "HolbyBlue". "Holby City" follows the professional and personal lives of surgeons, nurses, other medical and ancillary staff
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