- Ryan Potter as Hiro Hamada
- Scott Adsit as Baymax, Truck Driver
- Génesis Rodríguez as Honey Lemon
- Khary Payton as Wasabi
- Jamie Chung as Go Go Tomago
- Brooks Wheelan as Fred
- Maya Rudolph as Aunt Cass
- Isabella Gomez as Megan Cruz
- Katy Mixon as Barb
- Sophie Reynolds as Juniper
- Nestor Carbonell as Chief Cruz
- Sean Giambrone as Richardson Mole
- Mara Wilson as Liv Amara
- Fred's "Fredmeleon" suit is introduced in this episode.
- This episode features a musical number.
- The names of the eels that were stolen are a reference to the band AC/DC.