“Buffy the Vampire Slayer” star dies at 54 – cause of death revealed – story-veterans.com March 26, 2026 by Marouan ADVERTISEMENT Nicholas Brendon, best known for his role as Xander Harris on the beloved series Buffy the Vampire Slayer, has passed away at the age of 52. ADVERTISEMENT Next→ Leave a Comment Cancel replyCommentName Email Website Save my name, email, and website in this browser for the next time I comment.