Cast[]
- Hiccup as Roddy
- Astrid as Rita
- Eret as Le Frog
- Gobber as The Toad
- Stoick as Sid
- Snotlout as Spike
- Sulley (from Monsters, Inc.) as Whitey
- Little Monsters (from Monsters, Inc.) as Rita's Little Sisters
- Thomas (from TTTE) as Tex
- Drago as Frog
- Young Ellie (from Up) as Jessie
- Rex Pester (from The Rugrats Movie) as Colin
- Nigel (from Wild Thornberrys) as Goldfish
- Needleman (from Monsters, Inc.) as Bullseye
- Percy (from TTTE) as Alien
- Russell (from Up) as Buzz Lightyear
- Young Carl (from Up) as Woody
- Molly (from TTTE) as Amy
- Roz (from Monsters, Inc.) as Bo Peep
- Hamm (from Toy Story) as RC
- Woody (from Toy Story) as Flik