Uncle Wayne- Josh Gad

Mr. Colton- Arthur Holden

Destiny- Sofia Carson

Aspen Burnham- Jack McBrayer

Judsong Soul- Jesse McCartney

Braylon Roscoe- Carlos Alazraqui

Callen and Callan- Jason Marsden and Phil LaMarr

Princess Adelaide- Jennifer Hale.

Douglas Hermanson- Tom Kenny

Khloe Khloeidescope- Eden Sher

Dr. Cory Teel- Brad Garrett

Hayes Blanch- Ben Diskin

Nurse Kay- Melissa Joan Hart

Edwin- Neil Patrick Harris

IQ- Charlie Rowe

Harmony- Alfred Enoch

Courage- Tom Holland

Joy- Lilly Newmark

Benita Bizzare- Cher

Funky- Richard Horvitz

Woofer- Jeff Bennett

Tweeter- Grey Griffin

Additional Voices

Grey Griffin, Cree Summer, Dee Bradley Baker, Collin Dean, Alan Tudyk, Tom Kenny, Jill, Talley, Lara Jill Miller, Jessica DiCicco, Kerry Williams, Kayzie Rogers, Ted Lewis, Eric Stuart, Eden Sher, Adam McArthur, Candi Milo, Eric Bauza, Catherine Tate, Keone Young, James Sie.