Cast []
- Leni Loud as Allegra
- Lincoln Loud as Rondo
- Luna Loud as Lindi
- Clyde McBride as Riff
- Harold McBride as Mr. Cook
- Lily Loud as Poco
- Kotaro as Reed
- Mrs. Johnson as Miss Melody
- Mr. Grouse as Ellington
- Sam Sharp as Encora
- Rita Loud as Sonata
- Lynn Loud Sr. as Clef
- Lola Loud as Woofer
- Lana Loud as Tweeter
- Lynn Loud Jr. as Aria