Steven

Zach Callison

Garnet

Estelle

Pearl

Deedee Magno

Amethyst

Michaela Dietz

Sapphire

Erica Luttrell

Mayor Bill Dewey

Joel Hodgson

Topaz

Martha Higareda

Connie Maheswaran (Voice)

Grace Rolek

Sadie Miller

Kate Micucci

Buck Dewey/Zombie

Lamar Abrams

Jasper (voice)

Kimberly Brooks

Greg Universe

Tom Scharpling

Vidalia

Jackie Buscarino

Blue Diamond / Blue Diamond (voice)

Lisa Hannigan

Lars Barriga (voice)

Matthew Moy

Ronaldo Fryman

Zach Steel

Aquamarine

Della Saba

Ruby

Charlyne Yi

Peridot

Shelby Rabara

Yellow Diamond / Yellow Diamond (voice)

Patti LuPone

Rose Quartz/Pink Diamond

Susan Egan

Flourite

Kathleen Fisher

Sour Cream/Zombie

Brian Posehn

Kiki/Jenny

Reagan Gomez-Preston

Nanefua/Cluster

Toks Olagundoye

Barb Miller

Kate Flannery

Lapis Lazuli/Cluster

Jennifer Paz

Rutile Twins

Ashly Burch

Bismuth

Uzo Aduba

Sunshine Justice

Joan Jett

Defense Zircon/Prosecuting Zircon

Amy Sedaris

Rhodonite

Enuka Okuma

Kevin/Derrick

Andrew Kishino

Emerald (voice)

Jinkx Monsoon

Stevonnie (voice)

AJ Michalka

Andy DeMayo (Voice)

Dave Willis

Dr. Priyanka Maheswaran

Mary Elizabeth McGlynn

Jamie

Eugene Cordero

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

Sunstone (voice)

Shoniqua Shandai

Rainbow Quartz 2.0 (voice)

Alastair Ferrie