Holby Holby Holby is a fictional city in the United Kingdom, the setting for the BBC medical dramas "Casualty" and "Holby City", and the police drama "HolbyBlue". It is based on the real city of Bristol, where "Casualty" was formerly filmed, and is notionally located in the fictional county of Wyvern in South West England, not far from the border with Wales. While "Casualty" has been filmed in Cardiff since 2011, "Holby City" is filmed in Elstree, Hertfordshire. Both shows are set in the same fictional Holby City Hospital. Holby has an airport called Holby International. Holby City Hospital is the
Penny Valentine (Holby City) Penny Valentine (Holby City) Persephone "Penny" Valentine is a fictional character from the BBC medical drama television series "Holby City", portrayed by actress Emma Catherwood. She appeared from 2009–11, in the programme's eleventh to thirteenth series. Penny was introduced alongside her younger brother, Oliver (James Anderson), as a Foundation House Officer 1 (F1) on surgical rotation at Holby City Hospital. She eventually progressed to F2 level, before being killed off in the aftermath of a train crash; her death occurring off-screen. Penny and her brother Oliver were created as F1 doctors, arriving in "Holby City" during its eleventh series. Executive