Cast[]
- Duke as Harry Potter
- Gru (from Despicable Me) as Ron Weasley
- Grammy Norma (from Dr. Seuss' The Lorax) as Hermione Granger
- Silas Ramsbottom (from Despicable Me 2) as Professor Dumbledore
- Mel as The Snake (Sorcerer's Stone)
- Vector (from Despicable Me) as Basilisk (Chamber of Secrets)
- Snowball as Rubeus Hagrid (Both Vain)
- Hank (from Journey 2: The Mysterious Island) as Seamus Finnigan
- Kailani (from Journey 2: The Mysterious Island) as Parvati Patil
- Chloe as Ginny Weasley
- Sean (from Journey 2: The Mysterious Island) as Arthur Weasley
- Anges (from Despicable Me) as Cho Chang
- The Once-ler's Mom (from Dr. Seuss' The Lorax) as Fleur Delacour
- Max as Cornelius Fudge
- Max and Duke's Owner as Petunia Dursley