Eden Sher

Star Butterfly (voice)

Adam McArthur

Marco Diaz (voice)

Alan Tudyk

King River / Ludo (voice)

Grey DeLisle

Queen Moon Butterfly (voice)

Michael C. Hall

Toffee (voice)

Natalie Palamides

Foolduke (voice)

Jeffrey Tambor

Glossaryck (voice)

Fred Tatasciore

Buffrog (voice)

Patrick Stump

Ruberiot (voice)

Esmé Bianco

Eclipsa (voice)

Zosia Mamet

Heckapoo (voice)

Amy Sedaris

Mina (voice)

Dee Bradley Baker

Bald Eagle / Giant Spider (voice)

Kevin Michael Richardson

Rhombulus (voice)

Artt Butler

Mr. Diaz (voice)

Katie Driver

Young Moon Butterfly (voice)

Greg Ellis

Manfred (voice)

Nia Vardalos

Angie Diaz (voice)

Sonny Ashbourne Serkis

Young River Johansen (voice)

Chris Tergliafera

Rasticore (voice)

Carl Weathers

Omnitraxus Prime (voice)

Daron Nefcy

Additional Voices

Mark Gagliardi

Additional Voices

Tress MacNeille

Additional Voices

Jeff Bennett

Additional Voices

Dominic Bisignano

Additional Voices

Keith Ferguson

Additional Voices

Scott Menville

Zeke / Corn Cob Vendor (voice)

Kari Wahlgren

Baby Meteora (voice)

Travis Willingham

Additional Voices

Kimaya Thais

Katrina (voice)