Cast[]
- Max as E.T.
- Duke as Elliot
- Chloe as Mary
- Snowball as Michael
- Anges (from Despicable Me) as Gertie
- Vector (from Despicable Me) as Keys
- Gru (from Despicable Me) as Greg
- Dr. Nefario (from Despicable Me) as Steve
- E.B. (from HOP) as Tyler
- Silas Ramsbottom (from Despicable Me 2) as Science Teacher
- Grammy Norma (from Dr. Seuss' The Lorax) as Medic
- Kailani (from Journey 2: The Mysterious Island) as Pretty Young Girl