After his work on Lionel Nimrod's Inexplicable World, Baker was cast as a similar narrator of Little Britain on BBC Radio 4 and Early life · Career · Personal life · Filmography. The Narrator is a persona in Little Britain. He is voiced by Tom Baker. The Narrator is fond of. The English character actor Tom Baker, best known as the fourth incarnation of Narrator (voice). Little Britain (TV Series) Narrator. - Little Britain.