|Portrayed by:||Mercedes McNab|
Lucy was unknowingly turned into a vampire. Sam and Dean encounter her in Fresh Blood.
Lucy is a young woman who Dixon has picked up in a club, and spiked her drink with vampires blood. He takes her back to his place, but she escapes and starts killing people to feed. When Sam and Dean capture her, they find that she is unaware of what's happened - she thinks she is on a drug high and can't come down. Seeing no alternative, and with Sam's agreement, Dean kills her.