Seth MacFarlane Peter Griffin , Brian Griffin , Stewie Griffin , Glenn Quagmire , Dick Cheney , Kermit the Frog Voice, Executive Producer Alex Borstein Lois Griffin , Fran Drescher Voice Seth Green Chris Griffin Voice Mila Kunis Meg Griffin Voice Mike Henry John Herbert Voice Patrick Warburton Joe Swanson Voice Michael Clarke Duncan Fozzie Bear Guest Voice Rachael MacFarlane Britney Spears Guest Voice Keir Gilchrist Kyle Guest Voice Mike Barker Additional Voices Guest Voice Jeff Bergman Additional Voices Guest Voice Chris Cox Additional Voices Guest Voice Beth Littleford Additional Voices Guest Voice David Zuckerman Executive Producer Julius Wu Director James Purdum Director Peter Shin Director