Daveed Diggs
Sebastian (voice)
Jacob Tremblay
Flounder (voice)
Christopher Fairbank
Hawkins
Shay Barclay
Coconut Seller / Dancer
Russell Balogh
Triton Guard #1
Adrian Christopher
Triton Guard #2
Tarik Frimpong
Core Dancer
Yasmin Harrison
Core Dancer
Sophie Carmen-Jones
Dancer
Andrew Lyle-Pinnock
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
Noa Nikita Bleeker
Merfolk
Zaine Daniel Dillon
Merkid
Ayo Hana
Stallholder (uncredited)