Michaela Dietz
Amethyst (voice) (22 eps)
Deedee Magno
Shell / Volleyball / Mega Pearl (voice) (22 eps)
Zach Callison
Onion (voice) (22 eps)
Estelle
Garnet (voice) (20 eps)
Kimberly Brooks
Jasper (voice) (7 eps)
Tom Scharpling
Greg Universe (voice) (7 eps)
Charlyne Yi
Ruby (voice) (6 eps)
Grace Rolek
Connie Maheswaran (voice) (6 eps)
Shelby Rabara
Peridot (voice) (4 eps)
Erica Luttrell
Sapphire (voice) (3 eps)
Jennifer Paz
Lapis Lazuli (voice) (3 eps)
Michelle Maryk
Larimar (voice) (2 eps)
Lamar Abrams
Daniela / Jaime (voice) (2 eps)
Patti LuPone
Yellow Diamond (voice) (2 eps)
Christine Ebersole
White Diamond (voice) (2 eps)
Lisa Hannigan
Blue Diamond (voice) (2 eps)
Sarah Stiles
Spinel (voice) (2 eps)
Miriam A. Hyman
Bismuth (voice) (2 eps)
Ian Jones-Quartey
Snowflake Obsidian (voice) (1 eps)
Natasha Lyonne
Smoky Quartz (voice) (1 eps)
Susan Egan
Rose Quartz (voice) (1 eps)
Christine Pedi
Holly Blue Agate (voice) (1 eps)
Larissa Gallagher
Bluebird (voice) (1 eps)
Shoniqua Shandai
Sunstone (voice) (1 eps)
Della Saba
Aquamarine (voice) (1 eps)
Kate Micucci
Sadie Miller (voice) (1 eps)
Reagan Gomez-Preston
Jenny (voice) (1 eps)
Indya Moore
Shep (voice) (1 eps)
Matthew Moy
Lars Barriga (voice) (1 eps)
Johnny Hawkes
Rodrigo / Cookie Cat (voice) (1 eps)
Marieve Herington
Jasmine (voice) (1 eps)
Tahani Anderson
Patricia (voice) (1 eps)
Brian Posehn
Sour Cream (voice) (1 eps)
Mary Elizabeth McGlynn
Dr. Maheswaran (voice) (1 eps)
Chris Jai Alex
Drew the Dog (voice) / Announcer (voice) (1 eps)
Jemaine Clement
Kerry Moonbeam (voice) (1 eps)
Uzo Aduba
Bismuth (voice) (1 eps)
Alastair Ferrie
Rainbow Quartz 2.0 (voice) (1 eps)