David Warner (Abraham Van Helsing) previously played a vampire hunter in My Best Friend Is a Vampire (1987) (1987).
The music playing during the orgy scene in Dorian Gray's mansion is "Mon coeur s'ouvre à ta voix," from the opera "Samson and Delilah" by Camille Saint-Saëns, which premiered in 1877. The song's title is French for "My heart opens at your voice".