Amy Adams as Beth Maclay.
Amy Adams (born August 20, 1974) is an American actress, who played Tara Maclay's cousin Beth Maclay in the Buffy episode "Family."
Adams made her film debut in the 1999 comedy Drop Dead Gorgeous. She has since blossomed from a supporting actress to leading lady in films ranging from her Oscar nominated role in Junebug (2005) to princess Giselle (a caricature/amalgamation of various Disney princesses) in Enchanted (2007).