10 Sterling K. Brown

Sterling K. Brown is one of the few actors on this list to have received a recurring role in . He plays Gordon Walker, a relentless vampire hunter who will stop at nothing to drive a stake through the heart of the undead. Gordon appears in two episodes of season 2, and another during season 3, where his relationship with the Winchesters quickly sours due to their differing opinions on how to carry out their hunter work.

Gordon takes genuine joy and pleasure from his kills and ends up being turned into one before a fateful encounter with the Winchesters leads to his decapitation and eternal rest.

9 Amber Benson

Amber Benson had a long-term returning role in as Willow's girlfriend. Benson appears in two episodes of

, with the first being shared with Sterling in season 2. Benson's character, Lenore, is the leader of a group of peaceful vampires who survive by feeding on cattle rather than humans. She again appears much later in the series in season 6, episode 19, "Mommy Dearest" and provides the Winchesters and Castiel with the location of Eve. It's also in this episode that Castiel abruptly kills Lenore once the boys leave the room.

8 Lauren Cohan

Lauren Cohan may be best known for her performance as Maggie in , but her character in is much less likable. Having made a deal with a crossroads demon as a teen, Bela Talbot only cares about one thing, herself and her survival. By the time the brothers meet her, she is already working for demons to try and preserve her life from the consequences of her first deal.

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