Seth MacFarlane Peter Griffin , Brian Griffin , Stewie Griffin , Glenn Quagmire , Tom Tucker , Dr. Elmer Hartman Voice, Executive Producer Alex Borstein Lois Griffin Voice Seth Green Chris Griffin Voice Mila Kunis Meg Griffin Voice Patrick Warburton Joe Swanson Voice Mike Henry Various Voice Wil Wheaton Anti-Abortion Activist Guest Voice Michael York Documentary Speaker Guest Voice Julia Sweeney Naomi Robinson Guest Voice Alexandra Breckenridge Mermaid Guest Voice Jackson Douglas Dale Robinson Guest Voice Danny Smith Fourth Stooge Guest Voice John Viener Abortion Video Spokesman Guest Voice Gary Beach Additional Voices Guest Voice Ralph Garman Additional Voices Guest Voice Phil LaMarr Additional Voices Guest Voice Will Sasso Additional Voices Guest Voice Alec Sulkin Additional Voices Guest Voice David Zuckerman Executive Producer Joseph Lee Director Peter Shin Director