Jacobi has narrated audio book versions of the "Iliad", "The Voyage of the Dawn Treader" by C. S. Lewis, "Farmer Giles of Ham" by J. R. R. Tolkien, and two abridged versions of "I, Claudius" by Robert Graves. In 2001, he provided the voice of "Duke Theseus" in "The Children's Midsummer Night's Dream" film. In 2002, Jacobi toured Australia in "The Hollow Crown" with Sir Donald Sinden, Ian Richardson and Dame Diana Rigg. Jacobi also played the role of Senator Gracchus in "Gladiator" and starred in the 2002 miniseries "The Jury". He is also the narrator for the BBC children's series "In the Night Garden...".