Cast[]
- Max as Phineas
- Duke as Ferb
- Chloe as Candace
- Gru (from Despicable Me) as Lawrence
- Grammy Norma (from Dr. Seuss' The Lorax) as Linda
- Hank (from Journey 2: The Mysterious Island) as Perry the Platypus
- Gidget as Isabella
- Sean (from Journey 2: The Mysterious Island) as Baljeet
- Max and Duke's Owner as Stacy
- Mel as Dr. Doofenshmirtz
- Silas Ramsbottom (from Despicable Me 2) as Grandpa Reggie
- Snowball as Albert
Version 2[]
- Max as Phineas
- Duke as Ferb
- Chloe as Candace
- Gru (from Despicable Me) as Lawrence
- Ms. Marjorie (from PAW Patrol) as Linda
- Tracker (from PAW Patrol) as Perry the Platypus
- Gidget as Isabella
- Gil (from Bubble Guppies) as Baljeet
- Max and Duke's Owner as Stacy
- Mel as Dr. Doofenshmirtz
- Silas Ramsbottom (from Despicable Me 2) as Grandpa Reggie
- Snowball as Albert