Cast[]
- Benji Applebaum as Horton
- Fergus (from Brave) as The Mayor of Whoville
- Elinor (from Brave) as Sally
- Pinocchio (from Pinocchio) as Jojo
- Pacha (from The Emperor’s New Groove) as Morton
- Chloe Beale as Katie
- Chicha (from The Emperor’s New Groove) as Mrs Quillingan
- Gamora (from Guardians of the Galaxy) as Jessica
- Stacie Conrad as Kangaaroo
- Richard Tyler (from The Pagemaster) as Rudy
- Dr. Mitchell as Tommy
- Eric (from Divergent) as The King Monkey
- Soldiers (from Mulan) as monkeys
- Raccoon (from The Nut Job) as Vlad