Jeff 'Swampy' Marsh

Juliet Donenfeld

Sally Squirrel (voice)

Elvis Costello

Pete's Dad (voice)

Diana Krall

Pete's Mom (voice)

Alyson Stoner

Callie (voice)

Atticus Shaffer

Grumpy Toad (voice)

Don Was

Neville (voice)

Indie Nameth

Emma the Pug (voice)

Jacob Tremblay

Pete the Cat (voice)

Django Marsh

Bob (voice)

Felix Avitia

Gustavo (voice)