Version 1 (made by BramGroatFilms)
- Emily as Ariel
- Thomas as Flounder
- Mavis as Attina
- Madge as Adella
- Molly as Aquata
- Flora as Andrina
- Rosie as Arista
- Ashima as Alana
- Edward as King Triton
- Old Slow Coach as Queen Athena
- Daisy as Marina
- BoCo as Benjamin
- James as Sebastian
- Henry as Cheeks the blowfish
- Gordon as Ray-Ray
- Toby as Ink Spot the octopus
- Percy as Shelbow the sea turtle
- Oliver as Swifty
- Coaches as Swordfish guards
Version 2 (made by TongueSpeakingFool)
- Emily as Ariel
- Percy as Flounder
- Skarloey as Attina
- Rusty as Adella
- Sir Handel as Aquata
- Peter Sam as Andrina
- Rheneas as Arista
- Duncan as Alana
- Gordon as King Triton
- Old Slow Coach as Queen Athena
- Elizabeth as Marina
- Dennis as Benjamin
- Thomas as Sebastian
- James as Cheeks the blowfish
- Edward as Ray-Ray
- Henry as Ink Spot the octopus
- Toby as Shelbow the sea turtle
- Duck as Swifty
- Trucks as Swordfish guards
Version 3 (made by FlyingDuckManGenesis)
- Emily as Ariel
- Duck as Flounder
- Thomas as Attina (I know Thomas is male)
- Edward as Adella (I know Edward is male)
- Gordon as Aquata (I know Gordon is male)
- Henry as Andrina (I know Henry is male)
- Percy as Arista (I know Percy is male)
- James as Alana (I know James is male)
- Sir Topham Hatt as King Triton
- Lady Hatt as Queen Athena
- Daisy as Marina
- BoCo as Benjamin
- Toby as Sebastian
- Oliver as Cheeks the blowfish
- Sir Handel as Ray-Ray
- Peter Sam as Ink Spot the octopus
- Toad as Shelbow the sea turtle
- Rusty as Swifty
- Troublesome Trucks as Swordfish guards