Seth MacFarlane Peter Griffin , Brian Griffin , Stewie Griffin , Glenn Quagmire , Tom Tucker , Dr. Elmer Hartman Voice, Executive Producer Alex Borstein Lois Griffin , Wilma Flintstone Voice Seth Green Chris Griffin Voice Mila Kunis Meg Griffin Voice Mike Henry Cleveland Brown Voice Lori Alan Diane Simmons Guest Voice Alexandra Breckenridge Andy Garcia's Date Guest Voice Steve Callaghan Isaac Guest Voice Damien Fahey Dr. Michael Milano Guest Voice Lisa Wilhoit Connie D'Amico Guest Voice Tamera Mowry-Housley Additional Voices Guest Voice Conway Twitty Himself (archive footage) Guest Voice Jeff Bergman Additional Voices Guest Voice Pat Crawford Brown Additional Voices Guest Voice Carla Delaney Additional Voices Guest Voice Barclay DeVeau Additional Voices Guest Voice Ralph Garman Additional Voices Guest Voice D.D. Howard Additional Voices Guest Voice Alec Sulkin Additional Voices Guest Voice David Zuckerman Executive Producer Zac Moncrief Director James Purdum Director Peter Shin Director