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. William "Will" Mellor (born 3 April 1976) is an English actor. He portrayed Jack Vincent on Casualty from 2001 to 2003. Retrieved from "https://holby.fandom.com/wiki/Will_Mellor?oldid=103083" Categories: Real world articles Actors/Actresses Series 15 cast Series 16 cast Series 17 cast Community content is available under CC-BY-SA unless otherwise noted.