Special features: Optional audio feature commentaries by actors Wesley Snipes and Stephen Dorff, writer David S. Goyer, cinematographer Theo Van de Sande, production designer Kirk M. Petruccelli, and producer Peter Frankfurt ; optional isolated musical score with commentary by composer Mark Isham ; featurettes: "La Magra" [alternate ending scene] -- "Designing Blade" -- "The Origins of Blade" (an exploration of dark comics) -- "The Blood Tide" [a literary history of vampires, plus a look at real-life blood rituals] -- "House of Erebus" [information about the different vampire houses] -- cast and crew bios [text feature] -- pencil sketches through production designs ; theatrical trailer.