Star Butterfly

Eden Sher

Star Butterfly (voice)

Adam McArthur

Marco Diaz (voice)

Alan Tudyk

Ludo / King River Butterfly (voice)

Grey DeLisle

Queen Moon Butterfly (voice)

Fred Tatasciore

Buff Frog (voice)

Esmé Bianco

Eclipsa (voice)

Abby Elliott

Janna Ordonia (voice)

Rider Strong

Tom Lucitor (voice)

Jeff Bennett

Principal Skeeves (voice)

Jenny Slate

Pony Head (voice)

Artt Butler

Mr. Diaz (voice)

Zosia Mamet

Hekapoo (voice)

Dee Bradley Baker

Bald Eagle / Giant Spider (voice)

Mark Gagliardi

Conjoinican (voice)

Jeffrey Tambor

Glossaryck (voice)

Daron Nefcy

Additional Voices (voice)

Kevin Michael Richardson

Rhombulus (voice)

Dana Davis

Kelly (voice)

Michael C. Hall

Toffee (voice)

Jon Heder

Oskar Greason (voice)

Nia Vardalos

Mrs. Diaz (voice)

Keith David

Glossaryck (voice)

Eric Bauza

Cloudy (voice)

Nate Torrence

Ferguson (voice)