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
as Superworm (voice)
Olivia Colman
as Narrator (voice)
Patricia Allison
as Butterfly (voice)
Rob Brydon
as Crow (voice)
Kobna Holdbrook-Smith
as Wizard Lizard (voice)
Paul Thornley
as Papa Toad / Beetle (voice)
Cariad Lloyd
as Mama Toad / Beetle (voice)
Felix Tandon
as Baby Toad (voice)
Samara Sutariya
as Skipping Beetle (voice)
Lizzie Waterworth
as Spider (voice)
