Auliʻi Cravalho

Ariel

Edie McClurg

Carlotta (voice)

Amber Riley

"Daughters of Triton" Emcee

Queen Latifah

Ursula

Jodi Benson

Herself / Ariel / Vanessa (voice)

Pat Carroll

Ursula (voice)

Graham Phillips

Prince Eric

Kenneth Mars

King Triton (voice)

John Stamos

Chef Louis

Buddy Hackett

Scuttle (voice)