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)

Jason Marin

Flounder (archive footage) (voice)

Kenneth Mars

King Triton (archive footage) (voice)

Edie McClurg

Carlotta (archive footage) (voice)

Will Ryan

Herald (archive footage) (voice)

Frank Welker

Max (archive footage) (voice)

Ben Wright

Grimsby (archive footage) (voice)

Samuel E. Wright

Sebastian (archive footage) (voice)

Jessica Rotter

Chorus (voice)

Leah Allers

Chorus (voice)

Allie Feder

Chorus (voice)

Fletcher Sheridan

Chorus (voice)

Laura Dickinson

Chorus (voice)

Miah Blake

Ensemble

Tiffany Daniels

Ensemble

Gabe De Guzman

Ensemble

Charles Fournier

Ensemble

Jason Glover

Ensemble

Christina Glur

Ensemble

Dominique Kelley

Ensemble

Amanda LaCount

Ensemble

Anthony Marciona

Ensemble

Scott Myrick

Ensemble

Kayla Jenee Radomski

Ensemble

Melanie Moore

Ensemble

Jonathan Redavid

Ensemble

Britt Stewart

Ensemble

Alex Wong

Ensemble

James Murray

Puppeteer

Jess McKay

Puppeteer