This article covers a real-world subject which should not be taken as part of the Holby universe.
Rosie Marcel (born 6 May 1977) is an English actress. She is best known for her portrayal of Jac Naylor on Holby City since 2005. She made guest appearances as the character on Casualty in February, August and September 2016 and again in February 2018 for a total of four episodes.