- Patti LuPone - Yellow Diamond (voice)
- Christine Ebersole - White Diamond (voice)
- Lisa Hannigan - Blue Diamond (voice)
- Erica Luttrell - Sapphire (voice)
- Charlyne Yi - Ruby (voice)
- Grace Rolek - Connie Maheswaran (voice)
- Kate Micucci - Sadie Miller (voice)
- Matthew Moy - Lars Barriga (voice)
- Toks Olagundoye - Nanefua Pizza (voice)
- Aimee Mann - Opal (voice)
- Ted Leo - Steg (voice)
- Joe Johnston
- Hilary Florido
- Matt Burnett
- Ben Levin
- Ian Jones-Quartey
- Kat Morris
- Jackie Buscarino
- Alonso Ramirez Ramos
- Rebecca Sugar
- Chance the Rapper
- Estelle
- Aivi Tran
- Steven Velema
Capítulo disponible en las siguientes plataformas: