Olivia CostelloActingOlivia Costello is a film and television child actress.Known For4.7Swim Little Fish Swim20147.0Weekend Away2013Fan ClubNo Nerds have favorited Olivia Costello yet — be the first.All fan clubsFrom NerdspinFilmographyActor22014Swim Little Fish SwimFilmRainbow / Maggie★ 4.72013Weekend AwayFilmOlivia★ 7.0
