Brianna Gentilella

Molly (singing voice)

Tino Insana

Mr. Grouper (voice)

Frank Welker

Bubble Puppy (voice)

Bailey Gambertoglio

Molly (voice)

Grace Kaufman

Deema (voice)

Tori Feinstein

Oona (voice)

Jet Jurgensmeyer

Nonny (voice)

Jay Gragnani

Gil (voice)

Issac Ryan Brown

Goby (voice)