Article continues below advertisementBuffy the Vampire Slayer star Nicholas Brendon has died at age 54, it was revealed on Friday, March 20. "We are heartbroken to share the passing of our brother and son, Nicholas Brendon," the actor's family told The Hollywood Reporter in a statement, revealing that Brendon died in his sleep of "natural causes."Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: megaThe actor died on March 20. "Most people know Nicky for his work as an actor and for the characters he brought to life over the years.