Cast
- Lewis - Phineas Flynn (Phineas and Ferb)
- Wilbur Robinson - Hiro Hamada (Big Hero 6)
- Franny Robinson - Adult Isabella (Phineas and Ferb)
- Young Franny - Isabella Garcia-Shapiro (Phineas and Ferb)
- Bud - Gru (Despicable Me)
- Lucille - Lucy Wilde (Despicable Me)
- Carl the Robot - B.E.N. (Treasure Planet)
- Mildred - Princess Aurora (Sleeping Beauty)
- Mike "Goob" Yagoobian - Nate Gardner (Storks)
- The Bowler Hat Guy (Adult Mike "Goob" Yagoobian) - Dr. Doofenshmirtz (Phineas and Ferb)
- DOR-15 - Madame Gasket (Robots)
- Mr. Willerstein - Flint Lockwood (Cloudy with a Chance of Meatballs)
- Uncle Fritz - Aladdin
- Aunt Petunia - Princess Jasmine (Aladdin)
- Cousin Laszlo - Mr. Krupp/Captain Underpants (Captain Underpants The First Epic Movie)
- Cousin Tallulah - Tulip (Storks)
- Uncle Gaston - Peter Pan
- Uncle Art - Mr. Incredible (The Incredibles)
- Aunt Billie - Mavis (Hotel Transylvania)
- Uncle Joe - Jonathan (Hotel Transylvania)
- Tiny the T-Rex - Reptar (Rugrats)
- Cornelius Robinson - Adult Phineas (Phineas and Ferb)
- Lefty the Octopus - Hank (Finding Dory)
- Frankie as Herself
- Frogs as Herself
- Uncles Spike and Dmitri - Tulio and Miguel (The Road to El Dorado)
- Buster - Lou (Cats & Dogs)
- CEO of Inventco - Sykes (Oliver and Company)
- Stanley - Carl Wheezer (Jimmy Neutron)
- Lizzy - Mandy (The Grim Adventures of Billy and Mandy)
- Baby Lewis - Baby Phineas (Phineas and Ferb)
- Mini Doris - Karen (SpongeBob SquarePants)
- Mega Doris - Robot Probe (Monsters vs Aliens)
- Gym Coach - Shrek
- Boy with 'Solar System' project - Schroeder (Peanuts)
- InventCo Receptionist - Katie (The Secret Life of Pets)
- Mr. and Mrs. Harrington - Flynn Rider and Rapunzel (Tangled)
- Lewis' Birth Mother - Linda Flynn (Phineas and Ferb)
- Reporter (near the end) - Lord Portley-Rind (The Boxtrolls)
- Goob's Adoptive Parents - Henry and Sarah Gardner (Storks)