Cast[]
- Piglet as Scrat
- Dexter (Dexter's Laboratory) as Buck
- HIM (The Powerpuff Girls) as Rudy
- Winifred The Pooh as Manny
- Kanga as Ellie
- Mitch and Cubey (Whatever Happened to Robot Jones) as Crash and Eddie
- Mandy (The Grim Adventures of Billy & Mandy) as Peaches
- Socks (Whatever Happened to Robot Jones) as Louis
- Ed (Ed, Edd, 'n' Eddy) as Milton
- Edd/Double D (Ed, Edd, 'n' Eddy) as Eunice
- I.M. Weasel (I Am Weasel) as Marshall
- Eddy (Ed, Edd, 'n' Eddy) as Uncle Fungus
- Nazz (Ed, Edd, 'n' Eddy) as Granny
- Tigger as Sid
- Numbuh 2 (Codename: Kids Next Door) as Ethan
- Numbuh 4 (Codename: Kids Next Door) as Steffie
- Chicken (Cow and Chicken) as Giant Crab
- Ice King (Adventure Time with Finn and Jake) as Silas
- Mr. Ross (Regular Show) as Captain Gutt
- Baby Looney Tunes characters as Rats
- Rob (The Amazing World of Gumball) as Flynn
- Peridot (Steven Universe) as Raz
- Backson as Boris
- Scar (The Lion King) as Squint
- Shannon (Whatever Happened to Robot Jones) as Shira
- Robber (The Amazing World of Gumball) as Gupta
- Gotta Sweep, Arts and Crafters and 1st Prize (Baldi's Basics in Education and Learning) as Narwhals
- Cloudy Copter, Beans and Mrs. Pomp (from Baldi's Basics in Education and Learning) as Hyraxes
- Laura Lee Winslow (Family Matters) as Female Sloth Siren
- Bismuth (Steven Universe) as Male Hunky Sloth Siren
- Baldi, Principal of the Thing, Playtime and It's a Bully (Baldi's Basics in Education and Learning) as Sirens
- Numbuh 3 (Codename: Kids Next Door) as Scratte
- Fred (Fred) as Precious
- Orddu (The Black Cauldron) as Female Gigantopithecus Siren
- Mrs. Bingle (The Wiggles Movie) as Katie
- Fanboy (Fanboy and Chum Chum) as Ariscratle
- Bloo (Foster's Home for Imaginary Friends) as Diego