Cast[]
- Max as Barney
- Gidget as Baby Bop
- Silas Ramsbottom (from Despicable Me 2) as BJ
- Tiberius as Grandpa Greenfield
- Grammy Norma (from Dr. Seuss' The Lorax) as Grandma Greenfield
- David (from All Dogs Go to Heaven 2) as Cody
- Agnes (from Despicable Me) as Abby
- Anne-Marie (from All Dogs Go to Heaven) as Marcella
- The Once-ler's Mom (from Dr. Seuss' The Lorax) as Mrs. Mildred Goldfinch