Henry is forced to stay with his passionless great-uncle and slips into a fantastical world where he meets Raygo, an elf-like hunter who reveals that all he needs to restore his uncle's imagination is a single drop of blood from a hideous beast that enjoys sucking people's brains out of their eye sockets.
| Actor | Role |
|---|---|
 Archie LyndhurstHenry Bramble | Henry Bramble |
 Paul CopleyGreat Uncle Geoffrey | Great Uncle Geoffrey |
 Maxwell LairdRaygo Rattlegum | Raygo Rattlegum |