'Buffy The Vampire Slayer' Actor, Nicholas Brendon's Cause Of Death Revealed After Nearly 2 Months

Nicholas Brendon tragically passed away on March 20, 2026, in his sleep. After nearly two months, the actual cause of his death has been revealed by the authorities.

05 May 2026, 20:23 by Kriti Gupta · BollywoodShaadis

The death of much-loved actor, Nicholas Brendon has left the entire nation shocked. For the unversed, the actor, who played the role of 'Xander Harris' in Buffy The Vampire Slayer unexpectedly passed away on March 20, 2026, at the age of 54. It is worth mentioning that after nearly two months, the cause of his tragic death has been revealed by the Putnam County Coroner’s Office.

Nicholas Brendon’s cause of death

Nicholas Brendon tragically passed away at the age of 54, on March 20, 2026. At that time, very limited information about his health was shared by his family. However, today, on May 5, 2026, a report by People Magazine revealed that the widely celebrated actor passed away due to atherosclerotic and hypertensive cardiovascutar disease.

Explaining the same, the Putnam County Coroner's office stated that the "mechanism of death" was 90% blockage of the right coronary artery. Reportedly, atherosclerotic cardiovascular disease is a type of blood vessel disease that happens when fatty deposits, called plaque build up inside the arteries. It is a common cause of death. Further, the report also mentioned that the authorities "found no obvious signs of foul play and assisted me with cataloging the scene. Nothing seemed out of place or disturbed."

Nicholas Brendon was a chainsmoker and refused treatment

According to the same report by People Magazine, the authorities also mentioned one of Nicholas Brendon’s close friends, Theresa Fortier, who was at the residence when the actor passed away. For those unaware, Nicholas Brendon was a chainsmoker and when he was supposed to undergo treatment, the actor refused the same. The official report shared:

"Theresa stated the decedent had been having a persistent cough and had been self medicating with over the counter medications. He had been complaining about chest pain. She recommended a hospital, but he declined. He was a longtime smoker and was apprehensive about going due to his recent back surgery. She advised he had a recent heart attack several years ago, but he declined any further treatment at that time."

Nicholas Brendon had a cardiac attack four years before his death

In the final years of his tragic death, Nicholas Brendon faced multiple health issues. A few years before his demise, the Redwood actor suffered from Cauda equina syndrome, which is a spinal condition. Reportedly, it causes a lot of pain and restricts mobility. He underwent multiple surgeries due to the same. Later, around 2022, he suffered a heart attack. He also experienced tachycardia and arrhythmia. It is worth noting that after the cardiac incident, it was Nicholas' sister, who explained the entire situation on social media and revealed that the actor was fine.

Continue reading below

Nicholas Brendon’s family confirmed his death

On March 20, 2026, when the actor, Nicholas Brendon unexpectedly passed away, his family confirmed his death through a long and heartbreaking statement. They explained that the actor died peacefully in his sleep due to natural reasons. Further, they also spoke about his passion for acting and the health issues he had suffered in the final years. A part of the statement can be read as:

"While it's no secret that Nicholas had struggles in the past, he was on medications and treatment to manage his diagnosis and he was optimistic about the future at the time of his passing. Our family asks for privacy during this time as we grieve his loss and celebrate the life of a man who lived with intensity, imagination and heart."

What are your thoughts on Nicholas Brendon’s cause of death? Let us know.