Seth MacFarlane Stan Smith, Roger Creator, Voice, Executive Producer Mike Barker Creator, Executive Producer Matt Weitzman Creator, Executive Producer Wendy Schaal Francine Smith Voice Rachael MacFarlane Hayley Smith Voice Scott Grimes Steve Smith Voice Dee Bradley Baker Klaus Voice Nick Kroll Andy Dick Guest Voice Curtis Armstrong Snot Lonstein Guest Voice Rick Podell Guest Voice Kevin Michael Richardson Principal Lewis Guest Voice Erik Sommers Guest Voice, Writer Eddie Kaye Thomas Barry Robinson Guest Voice Kenny Schwartz Executive Producer Rick Wiener Executive Producer Chris Bennett Director