Seth MacFarlane Stan Smith, Roger Voice Wendy Schaal Francine Smith Voice Rachael MacFarlane Hayley Smith Voice Scott Grimes Steve Smith Voice Dee Bradley Baker Klaus Voice Curtis Armstrong Snot Lonstein Guest Voice Brian Boyle Guest Voice Chris Diamantopoulos Guest Voice Ian Howell Guest Voice Melanie Paxson Harper Guest Voice Daisuke Suzuki Toshi Yoshida Guest Voice Eddie Kaye Thomas Barry Robinson Guest Voice Nic Wegener Guest Voice Tim Parsons Director Jennifer Graves Director Dan Vebber Writer