On screen
Cast
12 credited performers
Alkaio Thiele
Gumball Watterson (voice)
Hero Hunter
Darwin Watterson (voice)
Artwork unavailable
Kinza Khan
Anais Watterson (voice)
Teresa Gallagher
Nicole Watterson (voice)
Dan Russell
Richard Watterson (voice)
Rich Fulcher
Frankie Watterson (voice)
Simon Lipkin
Rocky Robinson (voice)
Naomi McDonald
Clare Cooper (voice)
Alex Jordan
Wilson Bilson (voice)
Artwork unavailable
Anthony Hull
Gregory (voice)
Kerry Shale
Leslie (voice)
Maria Teresa Creasey
Tree Librarian (voice)