Seth MacFarlane. Seth MacFarlane was 37 in Family Guy: Road to the North Pole as 'Peter Griffin / Brian Griffin / Stewie Griffin / Glenn Quagmire / Tom Tucker / Carter Pewterschmidt (voice)'.
Alex Borstein. Alex Borstein was 39 in Family Guy: Road to the North Pole as 'Lois Griffin (voice)'.
Seth Green. Seth Green was 36 in Family Guy: Road to the North Pole as 'Chris Griffin (voice)'.
Mila Kunis. Mila Kunis was 27 in Family Guy: Road to the North Pole as 'Meg Griffin (voice)'.
Mike Henry. Mike Henry was 45 in Family Guy: Road to the North Pole as 'Cleveland Brown / John Herbert / Consuela (voice)'.
Patrick Warburton. Patrick Warburton was 46 in Family Guy: Road to the North Pole as 'Joe Swanson (voice)'.
Bruce McGill. Bruce McGill was 60 in Family Guy: Road to the North Pole as 'Santa Claus (voice)'.
Drew Barrymore. Drew Barrymore was 35 in Family Guy: Road to the North Pole as 'Jillian Russell (voice)'.
H. Jon Benjamin. H. Jon Benjamin was 44 in Family Guy: Road to the North Pole as 'Carl (voice)'.
Tara Strong. Tara Strong was 37 in Family Guy: Road to the North Pole as 'Dan's Wife (voice)'.
Adam West. Adam West was 82 in Family Guy: Road to the North Pole as 'Mayor Adam West (voice)'.