When little fish Kevin is swept up in a net and taken from his home in the vast oceans to the small glass fish tank of a restaurant, he must find a way to escape and make his way back home.
| Actor | Role |
|---|---|
 Yuri LowenthalKevin | Kevin |
 Kath SoucieShaobao (voice) | Shaobao (voice) |
 Tom KennyBen (voice) | Ben (voice) |
 Mark HamillBunker (voice) | Bunker (voice) |
 Matthew Yang KingDabao | Dabao |
 Tim CurryEric (voice) | Eric (voice) |
 Christian SlaterJack (voice) | Jack (voice) |
 Tara StrongSammy | Sammy |
 James SieCook Liu | Cook Liu |
 Sam RiegelShort Seagull | Short Seagull |
 Fred TatascioreFat Seagull | Fat Seagull |
 Ali HillisTeaching Fish | Teaching Fish |
 John DiMaggioBoss | Boss |
 Nolan NorthFarley | Farley |
 Annie MumoloDanny (voice) | Danny (voice) |
 Ogie BanksRichard (voice) | Richard (voice) |
 Justin CowdenMarvin (voice) | Marvin (voice) |
 Andrew DolanPat Down Cop (voice) | Pat Down Cop (voice) |
 Chris EdgerlyClean Fish (voice) | Clean Fish (voice) |
 Kate HigginsLittle Fish (voice) | Little Fish (voice) |
| VVeronica J. ValentiniBaby Fish (voice) | Baby Fish (voice) |
 Hynden WalchTiny Fish (voice) | Tiny Fish (voice) |
 Gwendoline YeoWaitress (voice) | Waitress (voice) |