Nicholas Brendon, who played Xander Harris in "Buffy the Vampire Slayer," has died at 54. His family says the actor "passed in his sleep."

Brendon died of "natural cases", his family said in a statement, remembering him as "passionate" and "sensitive".

Nicholas Brendon, who played Xander on all seven seasons of TV's Buffy the Vampire Slayer, has died. He was 54. His family confirmed his death in a statement on social media: "We are heartbroken to share the passing of our brother and son,

Nicholas Brendon was best known for his role as Xander Harris on all seven seasons of "Buffy the Vampire Slayer."

Nicholas Brendon, who rose to fame as the lovable, clownish sidekick on the hit show “Buffy the Vampire Slayer,” has died. His family confirmed the death in a brief statement shared on Mr. Brendon’s Instagram page on Friday.

Nicholas Brendon, the actor best known for playing Xander Harris on the cult television series “Buffy the Vampire Slayer,” has died at 54, his family announced Friday. “We are heartbroken to share the passing of our brother and son,

Actor Nicholas Brendon, who co-starred on TV's Buffy the Vampire Slayer as Xander Harris, has died, according to a statement from his family posted on social media.

As fans and loved ones mourn the death of Nicholas Brendon, his Buffy the Vampire Slayer co-stars are paying tribute. Following Brendon’s death at age 54, the cast of the WB series (1997-2003) remembered the actor who played Xander.