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 Danny Glover Minstrel Krampus Guest Voice Ziggy Marley Guest Voice Ky-Mani Marley Guest Voice Charles Bradley Minstrel Krampus (singing voice) Guest Voice Greyson Chance Guest Voice Matt McKenna Santa Claus Guest Voice Judah Miller Guest Voice, Writer Murray Miller Guest Voice, Writer Daran Norris Jack Smith Guest Voice Kevin Michael Richardson Toilet Guest Voice Asa Taccone Guest Voice Josue Cervantes Director