A small fish with a big imagination gets lost in the deep wide ocean, until he is saved by his own storytelling.
| Actor | Role |
|---|---|
 Hannah WaddinghamNarrator (voice) | Narrator (voice) |
 Lolly AdefopeMiss Skate (Voice) | Miss Skate (Voice) |
 Jayde AdamsPlaice (voice) | Plaice (voice) |
 Rob BrydonFisherman / Whale / Starfish / Anchovy (voice) | Fisherman / Whale / Starfish / Anchovy (voice) |
| RReuben KirbyTiddler (voice) | Tiddler (voice) |
| TTheo FraserJohnny Dory (voice) | Johnny Dory (voice) |
 Paul ThornleyLobster (voice) | Lobster (voice) |
| AAndy MartinSeal (voice) | Seal (voice) |
| LLizzie WaterworthAdditional Voices (voice) | Additional Voices (voice) |