<P> In addition to both its main cast and guest stars, Family Guy utilizes a deep bench of regularly appearing supporting voice actors . Some appear in nearly every episode each season, while others appear less frequently . Some of these actors specifically play recurring characters, while others mainly play background citizens of Quahog or characters in cutaway gags . </P> <P> The current supporting cast repertory includes the following actors: </P> <Table> <Tr> <Th> Actor </Th> <Th> Character (s) </Th> <Th> No. of Episodes (Out of 245 produced) </Th> <Th> Notes </Th> </Tr> <Tr> <Td> Benjamin, H. Jon H. Jon Benjamin </Td> <Td> Carl </Td> <Td> 14 </Td> <Td> Since 2006 . </Td> </Tr> <Tr> <Td> Breckenridge, Alexandra Alexandra Breckenridge </Td> <Td> Various women </Td> <Td> 63 </Td> <Td> Since 2005 . Currently voices most female "extras" not voiced by Alex Borstein . </Td> </Tr> <Tr> <Td> Brennan, Johnny Johnny Brennan </Td> <Td> Goldman, Mort Mort Goldman, Horace the bartender </Td> <Td> 77 </Td> <Td> </Td> </Tr> <Tr> <Td> Callaghan, Steve Steve Callaghan </Td> <Td> Various </Td> <Td> 37 </Td> <Td> Also the current showrunner and executive producer of Family Guy and former showrunner / EP of American Dad! . </Td> </Tr> <Tr> <Td> Garman, Ralph Ralph Garman </Td> <Td> Various </Td> <Td> 138 </Td> <Td> </Td> </Tr> <Tr> <Td> Lakin, Christine Christine Lakin </Td> <Td> Kinney, Joyce Joyce Kinney </Td> <Td> 23 </Td> <Td> Since 2010 . </Td> </Tr> <Tr> <Td> LaMarr, Phil Phil LaMarr </Td> <Td> Williams, Ollie Ollie Williams and the Quahog judge </Td> <Td> 56 </Td> <Td> </Td> </Tr> <Tr> <Td> MacFarlane, Rachael Rachael MacFarlane </Td> <Td> Olivia and various women </Td> <Td> 54 </Td> <Td> Formerly one of the most frequent female voices . She reduced her number of appearances per season after joining American Dad! in 2005 but still appears several times per season . Seth MacFarlane's sister . </Td> </Tr> <Tr> <Td> Osment, Emily Emily Osment </Td> <Td> Various </Td> <Td> 20 </Td> <Td> Since 2012 . </Td> </Tr> <Tr> <Td> Richardson, Kevin Michael Kevin Michael Richardson </Td> <Td> Jerome and Cleveland Jr . </Td> <Td> 30 </Td> <Td> Since 2009 . </Td> </Tr> <Tr> <Td> Sheridan, Chris Chris Sheridan </Td> <Td> Various </Td> <Td> 33 </Td> <Td> Also a Family Guy writer . </Td> </Tr> <Tr> <Td> Smith, Danny Danny Smith </Td> <Td> Various, including Evil Monkey, Al Harrington and Ernie, the Giant Chicken </Td> <Td> 189 </Td> <Td> Also a Family Guy writer . </Td> </Tr> <Tr> <Td> Sulkin, Alec Alec Sulkin </Td> <Td> Christ, Jesus Jesus Christ and various others </Td> <Td> 147 </Td> <Td> Since 2005, Also a Family Guy writer . </Td> </Tr> <Tr> <Td> Tatasciore, Fred Fred Tatasciore </Td> <Td> Various </Td> <Td> 36 </Td> <Td> </Td> </Tr> <Tr> <Td> Tilly, Jennifer Jennifer Tilly </Td> <Td> Swanson, Bonnie Bonnie Swanson </Td> <Td> 42 </Td> <Td> Has recurred as the Griffin's neighbor since the first season . </Td> </Tr> <Tr> <Td> Viener, John John Viener </Td> <Td> Various </Td> <Td> 182 </Td> <Td> Since 2005, he has been one of the most frequently heard male voices aside from Seth MacFarlane . Also a Family Guy writer . </Td> </Tr> <Tr> <Td> Warburton, Patrick Patrick Warburton </Td> <Td> Swanson, Joe Joe Swanson </Td> <Td> 163 </Td> <Td> Has appeared as the Griffins' neighbor since the first season, and usually appears in most episodes each season . Warburton is the most frequently appearing one - character actor in the supporting repertory . </Td> </Tr> <Tr> <Td> Wingert, Wally Wally Wingert </Td> <Td> Various </Td> <Td> 41 </Td> <Td> </Td> </Tr> <Tr> <Td> Cole, Gary Gary Cole </Td> <Td> Various </Td> <Td> 38 </Td> <Td> Cole appeared frequently in the earlier seasons, but still pops up now and then to play Meg and Chris' principal, Mr. Shepherd . </Td> </Tr> </Table> <Tr> <Th> Actor </Th> <Th> Character (s) </Th> <Th> No. of Episodes (Out of 245 produced) </Th> <Th> Notes </Th> </Tr>

Who does the voice of the principal on family guy