Seth MacFarlane
/ Brian Griffin as Robby / Dr. Elmer Hartman / God (voice) Seth MacFarlane
/ Carter Pewterschmidt as King Herod (voice) Seth MacFarlane
/ Glenn Quagmire as Wise Man (voice) Seth MacFarlane
/ Peter Griffin as Joseph (voice) Seth MacFarlane
/ Stewie Griffin as Jesus (voice) Alex Borstein
/ Lois Griffin as Mary (voice) Seth Green
/ Chris Griffin as Drummer Boy (voice) Mila Kunis
/ Meg Griffin as Donkey (voice) Mike Henry
/ Cleveland Brown as Wise Man / Consuela as Virginity Coach/ Bruce the Performance Artist as Angel Gabriel (voice) John G. Brennan
/ Mort Goldman as Innkeeper (voice)
