Rachael MacFarlane

Rachael Ann MacFarlane Laudiero (born March 21, 1976) is an American voice actress. Her voice credits include Hayley Smith on the animated television show ''American Dad!'', the creator of which, Seth MacFarlane, is her older brother; Supreme Leader Numbuh 362 in the television series ''Codename: Kids Next Door'', and Kate Lockwell in the video game ''Starcraft II''.

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 an episode of ''The Grim Adventures of Billy & Mandy'', titled "Educating Grim". Provided by Wikipedia