This article is not part of the Holby universe. This article covers a subject that is part of the real world, and thus should not be taken as a part of the Holby universe. Anna Acton (born 19 January 1977) is an English actress. She portrayed Nikki Chisom on Casualty. Retrieved from "https://holby.fandom.com/wiki/Anna_Acton?oldid=102681" Categories: Real world articles Casualty semi-regular cast Community content is available under CC-BY-SA unless otherwise noted.