Kristy Swanson Quick Info Height 5 ft 6 in Weight 66 kg Date of Birth December 19, 1969 Zodiac Sign Sagittarius Spouse Lloyd Eisler Kristy Swanson is an American actress, producer, and voiceover artist who is best known for having been cast as Buffy Summers in Buffy the Vampire Slayer, Diana Palmer in The Phantom, Catherine “Cathy”