- Matt Damon - Sunny (voice)
- Emily Blunt - Unicorn (voice)
- Vince Vaughn - (voice)
- Sam Rockwell - Guardian Dog (voice)
- Maya Rudolph - Ally (voice)
- Sebastian Maniscalco - Magician Mouse (voice)
- Richard Jenkins - Art Teacher (voice)
- Christopher Meloni - Cosmo (voice)
- Awkwafina - Bubble (voice)
- Jon Stewart - Robot (voice)
- Matthew Rhys - Ghost (voice)
- Keegan-Michael Key - Slime (voice)
- Bradley Cooper - Ice (voice)
- George Clooney - Spaceman (voice)
- Amy Schumer - Gummy Bear (voice)
- Blake Lively - Octocat (voice)
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John Krasinski
- John Krasinski
- Andrew Form
- Ryan Reynolds
- Allyson Seeger
- George Dewey
- Michael Giacchino
Capítulo disponible en las siguientes plataformas: