Rent The Lost World: Vampires (1999)

Five explorers are lost in a strange and evil world. One of the adventurers, Roxton (William Snow) is bitten by a crazed young man infected with a vampiric desease which elevates his hunting instincts to a blood thirsty new level. Mad with blood lust, Roxton attacks his fellow travellers Marguerite (Rachel Blakely) and Challenger (Peter McCauley) and runs off into the arms of Calista (Shanyn Asmar), a mysterious woman who understands his need for fresh blood to survive. As Marguerite and Challenger search for Roxton and clues to his sickness, they don't realize he is in turn hunting them...