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)

Shaggy

Sebastian

Christopher Daniel Barnes

Prince Eric (voice)

Paddi Edwards

Flotsam and Jetsam (voice)

Samuel E. Wright

Sebastian (voice)

Will Ryan

Herald (voice)

Ben Wright

Grimsby (voice)

Jason Marin

Flounder (voice)

Jessica Rotter

Chorus (voice)