Auli'i Cravalho Moana (voice) Dwayne Johnson Maui (voice) Rachel House Gramma Tala (voice) Temuera Morrison Chief Tui (voice) Jemaine Clement Tamatoa (voice) Nicole Scherzinger Sina (voice) Alan Tudyk Heihei / Villager #3 (voice) Christopher Jackson Chief Tui (singing voice) Oscar Kightley Fisherman (voice) Troy Polamalu Villager #1 (voice) Lin-Manuel Miranda Additional Voices (voice)