The `Avatar` actor has signed on to work on the Alex Proyas` directed project as the historical figure Prince Vlad of Transylvania, which will begin shooting 2011, according to Encore. It is the latest in a long line of films the Australian actor is set to work on, making it a busy few years for the star, who has `Avatar 2`, `Clash of the Titans 2` and `The Last Days of American Crime` and others in the pipeline. Producer Mike de Luca has previously confirmed the story for `Dracula: Year Zero` will combine both historical fact and fantasy. He said: "These writers came up with the ingenious-what I think is ingenious-approach combining historical Dracula with Bram Stoker`s `Dracula`. "I think vampires are endlessly appropriate candidates for reinvention because there`s something in the DNA in that mythology that appeals to every generation. Every generation owns their own version of the vampire myth." The movie does not yet have a planned release date.