Willo the Wisp beech wood in Oxfordshire, near the director's home. Kenneth Williams provided voices for all of the characters. The principal narrator, Willo the Wisp, was a blue, floating creature drawn as a caricature of him, while the name refers to the ghostly light will-o'-the-wisp from folklore. The other main characters were Arthur the caterpillar (as a gruff cockney), Mavis Cruet, a plump, clumsy fairy with an erratic, magic wand, and the principal antagonist, Evil Edna, a witch in the form of a walking, talking television set who could zap people with her aerials. Other characters included Carwash, a snooty bespectacled cat
The British Invasion (Dexter) of the most entertaining cable show finales in recent memory". Cinematographer Romeo Tirone's work on the episode was nominated for an Primetime Emmy Award for Outstanding Cinematography for a One Hour Series, and "Dexter"s team of sound editors were nominated for a Golden Reel Award for "The British Invasion" in the category of Best Sound Editing – Sound Effects and Foley for Short Form Television. The episode was unsuccessfully submitted to the Primetime Emmy Awards judging panel for consideration for Outstanding Directing (Steve Shill) and Outstanding Supporting Actor (C. S. Lee). The British Invasion (Dexter) "The British Invasion" is the