Casper Van Dien and Kevin Grevioux earlier appeared in separate vampires films: Dracula 3000 and the Underworld series respectively. Van Dien portrayed Van Helsing in his movie, while Grevioux played the Lycan Raze in the first Underworld film. Kevin VanHook also worked in DC Comics' vampire-themed comics, Superman and Batman vs Vampires and Werewolves.
