Cast[]
- Jewel (Rio) as Ariel
- Sailor Moon (AKA Godzilla) (Sailor Moon Series Anime) as Human Ariel
- Tuxedo Mask (AKA SpaceGodzilla) (Sailor Moon Series Anime) as Prince Eric
- AppleBloom, Scootaloo, Sweetie Bell, and Babs Seed (My Little Pony Friendship Is Magic) as Young Flounder
- Sailor Moon's Pet Pokémon (My Monster Island) as Sebastian
- The Hawk (Rango) as Glut The Shark
- Alan-A-Dale (Robin Hood (1973)) as Scuttle
- Rafiki (The Lion King) as King Triton
- as Ursula
- as Flotsam and Jetsam
- Alexis Rhodes (AKA Mothra) (Yu-Gi-Oh-GX), Rukia Kuchiki (AKA Fire Rodan) (Bleach), Sailor Venus (AKA Megalon) (Sailor Moon Series Anime), Sakura Kinomoto (AKA Jet Jaguar) (Cardcaptor Sakura), and Dark Magician Girl (AKA King Ghidorah) (Yu-Gi-Oh) as Ariel's Sisters