Halle Bailey

Ariel

Jonah Hauer-King

Eric

Melissa McCarthy

Ursula

Javier Bardem

King Triton

Noma Dumezweni

The Queen

Art Malik

Sir Grimsby

Daveed Diggs

Sebastian (voice)

Jacob Tremblay

Flounder (voice)

Awkwafina

Scuttle (voice)

Jessica Alexander

Vanessa

Martina Laird

Lashana

Emily Coates

Rosa

Christopher Fairbank

Hawkins

John Dagleish

Mulligan

Matt Carver

Cabin Boy

Jude Akuwudike

Joshua

Lorena Andrea

Perla

Simone Ashley

Indira

Karolina Conchet

Mala

Sienna King

Tamika

Kajsa Mohammar

Karina

Nathalie Sorrell

Caspia

Jodi Benson

Market Vendor

Julz West

Hat Vendor

Shay Barclay

Coconut Seller / Dancer

Arina Li

Flower Vendor

Russell Balogh

Triton Guard #1

Adrian Christopher

Triton Guard #2

Leon Cooke

Core Dancer

Tarik Frimpong

Core Dancer

Chris George

Core Dancer

Yasmin Harrison

Core Dancer

Erica Stubbs

Core Dancer

Kate Thompson

Core Dancer

Jonathan Bishop

Dancer

Aaron Bryan

Dancer

Sophie Carmen-Jones

Dancer

Jon-Scott Clark

Dancer

Cameron Valentina

Dancer

Austyn Farrell

Dancer

Cecil Jee

Dancer

Ben Hukin

Dancer

Andrew Lyle-Pinnock

Dancer

Chanel Mian

Dancer

Ebony Molina

Dancer

Ian Oswald

Dancer

Oliver Ravelin

Dancer

Charles Ruhrmund

Dancer

Craig Stein

Dancer

Nicole Valverde

Dancer

Sasha Watson Lobo

Dancer

Johnny White

Dancer

Charlotte Wilmott

Dancer

Bobby Windebank

Dancer

Clifton Brown

'Under the Sea' Special Performer

Jeroboam Bozeman

'Under the Sea' Special Performer

Sarah Daley-Perdomo

'Under the Sea' Special Performer

Ghrai DeVore-Stokes

'Under the Sea' Special Performer

Samantha Figgins

'Under the Sea' Special Performer

Vernard J. Gilmore

'Under the Sea' Special Performer

Jacqueline Green

'Under the Sea' Special Performer

Michael Jackson, Jr.

'Under the Sea' Special Performer

Yannick Lebrun

'Under the Sea' Special Performer

Renaldo Maurice

'Under the Sea' Special Performer

Chalvar Monteiro

'Under the Sea' Special Performer

Danica Paulos

'Under the Sea' Special Performer

Belen Pereyra

'Under the Sea' Special Performer

Constance Stamatiou

'Under the Sea' Special Performer

Jermaine Terry

'Under the Sea' Special Performer

Ben Marshall

Ship Musician

Matt Quinn

Ship Musician

Sam Sweeney

Ship Musician

Charlotte Bazeley

Merfolk

Noa Nikita Bleeker

Merfolk

Glen Campbell

Merfolk

Sonny Charlton

Merfolk

Marcus Hodson

Merfolk

Alexia Hortal

Merfolk

Janine Johnson

Merfolk

Mia Juul

Merfolk

Jeffin Kunjumon

Merfolk

Jennifer Leung

Merfolk

Mia Maugé

Merfolk

Jacob Maynard

Merfolk

Busola Peters

Merfolk

Stefano Tomadini

Merfolk

Andy Young

Merfolk

Hunter Allen

Merkid

Ava Azizi

Merkid

Zaine Daniel Dillon

Merkid

Mischa Hayward

Merkid

Roy Hu

Merkid

Seyan Patel

Merkid

Taitum Pitfield

Merkid

Eva Polakovs

Merkid

Isabelle Ung

Merkid

Ayo Hana

Stallholder (uncredited)

Sanj Surati

Palace Staff Fanner (uncredited)