On screen
Cast
10 credited performers
Kathryn Drysdale
Bester (Voice)
Rupert Simonian
Best (Voice)
Bill Bailey
Grumpy Pants (Voice)
Kosha Engler
Flip Flop (Voice)
Joseph Balderrama
Diamondo (Voice)
Akiya Henry
Rocky (Voice)
Artwork unavailable
Harriet Carmichael
Toot (Voice)
Pearl Mackie
Grafifi (Voice)
Brian Blessed
Shouty Shirt (Voice)
Ako Mitchell
Tex Pecks (Voice)