Meet the Real Voices Behind Family Guy 🎤 Ever wondered who voices your favorite Family Guy characters? From Stewie to Cleveland, here’s the cast behind the chaos! Seth MacFarlane Characters: Peter, Stewie, Brian, Quagmire, and more Missed his 9/11 flight due to a hangover, narrowly escaping tragedy. Alex Borstein Character: Lois Griffin Fun Fact: Wore the same dress to her wedding, divorce, and Emmy win. Mila Kunis Character: Meg Griffin Fun Fact: Took over from Lacey Chabert in Season 2- was j