Ensemble
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)
Pat Carroll
Ursula (archive footage) (voice)
Paddi Edwards
Flotsam and Jetsam (archive footage) (voice)
Buddy Hackett
Scuttle (archive footage) (voice)