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 CeeLo Green Himself, The Hot Tub Guest Voice Gabourey Sidibe Party Girl Guest Voice Kevin Michael Richardson Principal Lewis Guest Voice Amy Hill Mah Mah Guest Voice Tzi Ma Bah Bah Guest Voice Michael Peña Maguerite Guest Voice Chris Bennett Director Judah Miller Writer Murray Miller Writer