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 Hayden Panettiere Ashley Guest Voice Curtis Armstrong Snot Lonstein Guest Voice Alex Cuthbertson Guest Voice Roberto Gomez Guest Voice Swoosie Kurtz Betty Smith Guest Voice Don Thai Theerathada Qui Lo Guest Voice Josue Cervantes Director Brian Boyle Writer