When Hiro and Go Go accompany Krei to the woods to deal with Nedd Ludd, they run into the monster of legend, the Hibagon.
- Ryan Potter as Hiro Hamada
- Scott Adsit as Baymax
- Jamie Chung as Go Go Tomago, Nose Ring Girl
- Brooks Wheelan as Fred
- Khary Payton as Wasabi
- Génesis Rodríguez as Honey Lemon
- Alan Tudyk as Alistair Krei
- Jon Rudnitsky as Ned Ludd, Hibagon
- Mara Wilson as Liv Amara
- Laura Silverman as Judy
- Diedrich Bader as Felony Carl
- Ben Feldman as Chris, Customer 1
- John Michael Higgins as Mini-Max
- Maya Rudolph as Aunt Cass
- Despite Judy finally revealing her name to Krei in "Internabout", he still cannot remember it, thinking it is Jodie.