Seth MacFarlane Peter Griffin , Stewie Griffin , Brian Griffin , Glenn Quagmire , Costello , Audience Member , Dr. Elmer Hartman , God , Kid 2 , Sherlock Holmes Voice, Executive Producer Alex Borstein Lois Griffin Voice Seth Green Chris Griffin, Bully 3 Voice Mila Kunis Meg Griffin Voice Mike Henry Various Voice Patrick Warburton Joe Swanson Voice Cary Elwes Watson Guest Voice Marlee Matlin Stella Guest Voice Carrie Fisher Angela Guest Voice Dee Bradley Baker Owl Guest Voice Affion Crockett Additional Voices Guest Voice Gary Cole Principal Shepherd Guest Voice Scott Grimes Kevin Swanson Guest Voice Rolando Molina Tony Montana Guest Voice Emily Osment Schoolgirl Guest Voice Kevin Michael Richardson Jerome Guest Voice Alec Sulkin Jesus Christ Guest Voice John Viener Mr. Stone Guest Voice Chris Cox Additional Voices Guest Voice Julius Sharpe Additional Voices Guest Voice Josh Robert Thompson Additional Voices Guest Voice David Zuckerman Executive Producer Julius Wu Director Dominic Bianchi Director James Purdum Director