Hotel Transylvania 3is an American 3D computer-animated fantasy-comedy film
Fran DrescherEunice, Frankenstein's wife
Keegan-Michael KeyMurray, a mummy
Andy SambergJonathan "Johnny" Loughran, a 34-year-old human, Mavis's husband and Dennis's father
David SpadeGriffin the Invisible Man
Steve BuscemiWayne, a werewolf
Molly ShannonWanda, Wayne's werewolf wife
Asher BlinkoffDennis "Dennisovitch" Loughran, Mavis and Johnny's eleven-year-old son who is a human/vampire hybrid, having inherited his vampire abilities from his mother and is half human due to his father. He has a crush on Winnie, young werewolf daughter of Wayn
Mel BrooksVlad, Dracula's father, Mavis' paternal grandfather, Dennis' maternal great-grandfather, and Johnny's grandfather-in-law
Selena GomezMavis, the 131-year-old daughter of Dracula and the late Martha, vampire wife of 34-year-old human Johnny, Dennis' vampire mother, and Vlad's granddaughter.
Genndy TartakovskyBlobby, a green blob. He was previously voiced by Jonny Solomon in Hotel Transylvania 2.