Seth MacFarlane Peter Griffin , Brian Griffin , Stewie Griffin , Glenn Quagmire , Dr. Elmer Hartman Voice, Executive Producer Alex Borstein Lois Griffin , Italian Mom Voice Seth Green Chris Griffin , Neil Goldman Voice Mila Kunis Meg Griffin Voice Mike Henry Bruce the Performance Artist Voice Patrick Warburton Joe Swanson Voice Adam West Mayor Adam West Guest Voice Katharine McPhee Mother Maggie Guest Voice Steve Callaghan Patient Guest Voice Isabella Acres Additional Voices Guest Voice Karley Scott Collins Additional Voices Guest Voice Ralph Garman Additional Voices Guest Voice Zachary Gordon Additional Voices Guest Voice Jonathan Morgan Heit Additional Voices Guest Voice Rachael MacFarlane Additional Voices Guest Voice Carlos McCullers II Additional Voices Guest Voice Patrick Meighan Additional Voices Guest Voice Allison Smith Additional Voices Guest Voice Danny Smith Additional Voices Guest Voice Alec Sulkin Additional Voices Guest Voice John Viener Additional Voices Guest Voice David Zuckerman Executive Producer Bob Bowen Director Dominic Bianchi Director