Superworm is super-long and super-strong, and is always saving the day. But who can save him when he gets too full of himself and is captured by the evil Wizard Lizard?
Matt Smith
Superworm (voice)
Olivia Colman
Narrator (voice)
Patricia Allison
Butterfly (voice)
Rob Brydon
Crow (voice)
Kobna Holdbrook-Smith
Wizard Lizard (voice)
Paul Thornley
Papa Toad / Beetle (voice)
Cariad Lloyd
Mama Toad / Beetle (voice)
Felix Tandon
Baby Toad (voice)
