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. Katy Carmichael (born 26 September 1970) is an English director, actor and producer. She portrayed Hailey Blake in 2014 and 2015 on Casualty. Retrieved from "https://holby.fandom.com/wiki/Katy_Carmichael?oldid=102860" Categories: Real world articles Casualty semi-regular cast Community content is available under CC-BY-SA unless otherwise noted.