On screen
Cast
31 credited performers
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)
Artwork unavailable
Katie Driver
Young Moon Butterfly (voice)
Greg Ellis
Manfred (voice)
Nia Vardalos
Angie Diaz (voice)
Sonny Ashbourne Serkis
Young River Johansen (voice)
Artwork unavailable
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
Artwork unavailable
Dominic Bisignano
Additional Voices
Keith Ferguson
Additional Voices
Scott Menville
Zeke / Corn Cob Vendor (voice)
Kari Wahlgren
Baby Meteora (voice)
Travis Willingham
Additional Voices
Artwork unavailable
Kimaya Thais
Katrina (voice)