Steven

Zach Callison

Garnet (voice)

Estelle

Pearl

Deedee Magno

Amethyst

Michaela Dietz

Jasper/Malachite

Kimberly Brooks

Connie Maheswaran (Voice)

Grace Rolek

Vidalia

Jackie Buscarino

Mr. Smiley

Colton Dunn

Uncle Grandpa

Pete Browngardt

Dr. Priyanka Maheswaran/Doctor 2

Mary Elizabeth McGlynn

Rose Quartz

Susan Egan

Sardonyx

Alexia Khadime

Buck Dewey

Lamar Abrams

Sapphire

Erica Luttrell

Jenny

Reagan Gomez

Lapis Lazuli/Malachite

Jennifer Paz

Belly Bag/Narrator

Eric Bauza

Lars Barriga (voice)

Matthew Moy

Sadie Miller

Kate Micucci

Ruby

Charlyne Yi

Peridot

Shelby Rabara

Pizza Steve

Adam Devine

Sugilite

Nicki Minaj

Mr. Fryman

Billy Merritt

Jamie/Sailor/Audience

Eugene Cordero

Mayor Bill Dewey

Joel Hodgson

Mr. Gus

Kevin Michael Richardson

Yellow Diamond / Yellow Diamond (voice)

Patti LuPone

Nanefua

Toks Olagundoye

Blue Diamond / Blue Diamond (voice)

Lisa Hannigan

Ronaldo Fryman

Zachary Steel

Lion/Dolphins

Dee Bradley Baker

Sour Cream

Brian Posehn

Pop Singer

Olivia Olson

Peedee Fryman

Atticus Shaffer

Kevin (Voice)

Andrew Kishino

Greg Universe

Tom Scharpling

Bismuth

Uzo Aduba

Zach Steel*

Andy DeMayo (Voice)

Dave Willis

Barb Miller

Kate Flannery

Marty

Jon Wurster

Young Ronaldo / Lighthouse (voice)

Braden Fitzgerald

Li'l Butler (voice)

Eric Bell Jr.

Young Lars / Lighthouse (voice)

Mason Cook

White Pearl / White Diamond (voice)

Christine Ebersole

Stevonnie (voice)

AJ Michalka

Sunstone (voice)

Shoniqua Shandai

Emerald (voice)

Jinkx Monsoon

Rainbow Quartz 2.0 (voice)

Alastair Ferrie