Instagram/Charisma Carpenter & Nich Celebrity Buffy star Charisma Carpenter honors late co-star Nicholas Brendon with a heartfelt tribute, recalling their on-screen chemistry and his unique talent. April 17, 2026 AceShowbiz - Charisma Carpenter, known for her role on the hit series Buffy the Vampire Slayer, has honored her late co-star Nicholas Brendon following his death at age 54. The two starred opposite each other as high school sweethearts on the show, and Carpenter shared a heartfelt tribute to the actor on social media.