Auliʻi Cravalho

Ariel

Shaggy

Sebastian

Graham Phillips

Prince Eric

Amber Riley

"Daughters of Triton" Emcee

John Stamos

Chef Louis

Queen Latifah

Ursula

Jodi Benson

Self - Host / Ariel / Vanessa (voice)

René Auberjonois

Louis (archive footage) (voice)

Christopher Daniel Barnes

Prince Eric (archive footage) (voice)