Seth MacFarlane Peter Griffin , Brian Griffin , Stewie Griffin , Glenn Quagmire , Dr. Elmer Hartman , Captain Seamus Voice, Executive Producer Alex Borstein Lois Griffin Voice Seth Green Chris Griffin Voice Mila Kunis Meg Griffin Voice Mike Henry John Herbert , Giant Mutant Rat Voice Patrick Warburton Joe Swanson Voice Dwayne Johnson Himself Guest Voice Alexandra Breckenridge Mrs. Callaghan Guest Voice Steve Callaghan Family Feud Contestant , Waiter Guest Voice Ralph Garman Phil Guest Voice Mark Hentemann Crocodile Dundee Guest Voice Danny Smith Ernie the Giant Chicken , Robin Williams Guest Voice Alec Sulkin Bellgarde Guest Voice John Viener Tomak Guest Voice Nickie Bryar Tiffani Thiessen Guest Voice Adrianne Palicki Additional Voices Guest Voice Rick Pasqualone Additional Voices Guest Voice David Zuckerman Executive Producer Dominic Bianchi Director Peter Shin Director