Duke Cutler

Gumball Watterson (voice)

Christian J. Simon

Darwin Watterson (voice)

Kyla Rae Kowalewski

Anais Watterson (voice)

Teresa Gallagher

Nicole Watterson (voice)

Dan Russell

Richard Watterson (voice)

Logan Grove

Gumball Watterson (voice) (archival footage)

Jacob Hopkins

Gumball Watterson (voice) (archival footage)

Nicolas Cantu

Gumball Watterson (voice) (archival footage)

Kwesi Boakye

Darwin Watterson (voice) (archival footage)

Terrell Ransom Jr.

Darwin Watterson (voice) (archival footage)

Donielle T. Hansley Jr.

Darwin Watterson (voice) (archival footage)