Seth MacFarlane Peter Griffin, Stewie Griffin, Brian, the dog, Tom Tucker, Glen Quagmire Voice, Executive Producer Alex Borstein Lois Griffin Voice Seth Green Chris Griffin Voice Mila Kunis Meg Griffin Voice Mike Henry Various Voice Patrick Warburton Joe Swanson Voice Ricky Gervais Dolphin , Billy Finn Guest Voice Lucy Davis Joanna Finn Guest Voice Alexandra Breckenridge Miss Emily Guest Voice Steve Callaghan Milo Guest Voice John Viener TV Announcer , Doctor , Devon Guest Voice Chris Cox Additional Voices Guest Voice Gary Janetti Additional Voices Guest Voice Christine Lakin Additional Voices Guest Voice Alec Sulkin Additional Voices Guest Voice Wellesley Wild Additional Voices Guest Voice John Banner Sgt. Schultz (archive footage) Guest Star David Zuckerman Executive Producer Julius Wu Director Peter Shin Director