Ruby- Hayley Kiyoko
Rosie- Tara Strong
Vulcana-Gina Rodriguez
Joanna- Jordin Sparks
Pamela-Annet Mahendru
Namira-AJ Michalka
Bloom- Molly C Quinn
Faragonda-Kari Wahlgren
Griselda, Devi and DeVille, Tyrina- Grey Griffin
Professor Palladium-Mitchell Whitfield
Professor Wizgig- Dee Bradley Baker
Hunter-Jace Norman
Jan-Charles Melton
Marcel- Kevin Wu
Nabu-Ser'darius blain
Dylan-Marcus Scribner
Royce-Maulik Pancholy
Professor Kouhei-Paul Nakauchi
Codatora The Terrible-Dave B. Mitchell
Miha- Charlet Chung
Enlil- PJ Sparks(Jordin Sparks' brother)
Chef Alfredo- Tony Shaloub
King Ferdiano- Ken Jeong
Queen Miyuki- Kelly Hu
Ruby the Ronin- Margaret Cho
Yuuto-Eric Bauza
Daichi- Ryan Potter
Daiki- Dante Basco
DeVivian- Kate McKinnon
Cabinet Minister Rin
Chinzuki- Lea Salonga
Gemma- Chelsea Staub
Lillian-Maia Mitchell.
Cara and Pala- Candi Milo
Jodie- Karen Gillan.
Inena-Liza del Mundo
Belinda-Bronte Carmichael
Dolly, Bobilee, and Brie- Katie Leigh
Yan Huo- Kimiko Glenn