Cast[]
- Strong Bad as Marlin
- The Cheat as Nemo
- Homestar Runner as Dory
- Bubs as Gill
- Strong Mad as Bloat
- Marzipan as Peach
- Strong Sad as Gurgle
- Coach Z as Bubbles
- Foxface as Deb
- Pom Pom as Jacques
- Senor Cardgage as Nigel
- The King of Town as Crush
- The Poopsmith as Squirt
- The Prince of Town as Mr. Ray
- Preshy, Rafferty and Homeschool Winner as Pearl, Tad and Sheldon
- Stinkoman, Pan Pan and 1-Up as Bob, Ted and Bill
- Trogdor as Bruce
- The S is for Sucks Dragon as Anchor
- Wormdingler as Chum
- Homsar as Blenny the Worried Fish
- King Bubsgonzola Supreme as Dr. Phillip Sherman
- Mindy as Darla Sherman
- The Angel as Coral
- Old-Timey Ghost as The Barracuda