Version 1[]
- Mr. Kevin as Marlin
- Lucas as Nemo
- Miss Jordan as Dory
- Ethan as Gill
- Jack as Bruce
- Jack and Alfie (From Jack and the Pack) as Anchor and Chum
- Xavier as Bloat
- Chris as Bubbles
- Steve/Ben as Jacques
- Aryannah as Peach
- Zach W as Gurgle
- Miss Dawn as Deb/Flo
- Max as Nigel
- Mr. Bob as Crush
- Beck/Noah as Squirt
- Ben and Steve's Dad as Dentist
- Miss Steph as Darla
- Clara as Barabra
- Scott as Blenny
- Carousel as Anglerfish
- Ben as Gerald
- Miss Kathy as Pearl
- Robbie as Sheldon
- James (From TTTE) as Tad
- Zach G as Bob
- Rex as Ted
- Mr. Vince as Bill
- Cars as Pelicans, Seagulls, Jellyfish, and Sea turtles
- Ethan's Mom as Coral
Version 2[]
- Lucas as Marlin
- Robbie as Nemo
- Miss Jordan as Dory
- Mr. Kevin as Gill
- Ethan as Nigel