Anthony Steward Head is a British actor born in Camden, London, England on February 20th, 1954. He is best known for playing the role of scholarly Watcher Rupert Giles on the 1997-2003 television series Buffy the Vampire Slayer. He appeared in 123 of 145 total episodes of the show. Although he was a mainstay character through seasons one through five, his name was removed from the opening credits with season six, though she still made appearances throughout the rest of the series of a fairly regular basis.
Anthony Stewart Head was asked to appear as Rupert Giles on the "Power Play" episode of Angel, but was unavailable. His scene would have revealed the impossibility of Team Angel to save Winifred Burkle from being possessed by Illyria. The scene was rewritten for the character of Drogyn instead.