Lady Stella- Jennifer Hale

Sage, Cassie, Adora- Libe Barer

Vega, Piper- Stephanie Sheh

Libby, Gemma- Marieve Herington

Scarlett- Sarah-Nicole Robles

Astra and Clover- Julie Nathanson

Leona- Dana Davis

Tessa- Eden Riegel

Horriblescope- Romi Dames

Lady Rancora, Lady Ursa, Lady Cordial- April Stewart

Shimmer-Eva Bella

Shine- Isabella Cramp

Alyssa- Lilly Bartlam

Tyra-Diamond White

Leslie- Ashly Burch

Cheryl- Storm Reid

Pia- Kimiko Glenn

Alesha- AJ Michalka

Vivian- Liza Koshy

Lottie- Berkley Silverman

Carrie- Sofia Carson

Georgia- Avantika Vandanapu

Phoenix- Emily Osment

Kate- Mckenna Grace

Luna- Isabela Merced

Mega- Cree Summer

Becky and Maria- Grey Griffin

Greer- Josh Brener

Harlow- Brandon Mychal Smith

Bernard- Omar Miller

DJ Kai- Win Morisaki

Blair- Jacob Tremblay

Nico- Anthony Gonzalez

Masci- Anthony Ramos

Jody- Lily Collins

Tyrone- Michael B Jordan

Stylisha- Tessa Thompson

Altair Delphinus- Phil Collins

Lucretia Delphinus- Jane Lynch

Chakora- Taylor Dayne

Hydra- Haley Joel Osment

The Illumimaidens- En Vogue

Euan MacOzruals- Simon Pegg

Lord Alioth- Chris Pine

Journey-Zachary Quinto

Zoe Stardana- Zoe Saldana

Corey- Alice Eve

Konu- John Cho

Jesse Tinkerson-Karl Urban

Michael Dorn- Mayor Banneker

Nichelle- Haley Tju

Additional Voices

Grey Griffin, Cree Summer, Dee Bradley Baker, Carlos Alazraqui Collin Dean, Rob Paulsen, Alan Tudyk, Tom Kenny, Jill, Talley, Lara Jill Miller, Jessica DiCicco, Kerry Williams, Kayzie Rogers, Maurice LaMarche, Ted Lewis, Bobby Moynihan, Stephanie Sheh, Marleve Herington, Sarah-Nicole Robles, Romi Dames, Tom Kane Eric Stuart, Eden Sher, Adam McArthur, Candi Milo, Eric Bauza, Catherine Tate, Keone Young, James Sie, Bentley Griffin, Asher Bishop, Niki Yang, and John DiMaggio