Rachael Ann MacFarlane is an American voice actress and singer best known as the voice of character Hayley Smith on the animated television show American Dad. American Dad was created by her brother Seth MacFarlane. She also voiced supreme leader Numbuh 362 in Codename: Kids Next Door. In addition to voice acting, MacFarlane has also been involved in other aspects of animation, such as being a production manager for The Grim Adventures of Billy & Mandy and Welcome to Eltingville, and she wrote a...
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