The Mesmerising Menace. The Dark Tower is directed by John Harlow and is adapted to screenplay by Brock Williams from the play George S. Kaufman and Alexander Woollcott. It stars Ben Lyon, Anne Crawford, David Farrar, Herbert Lom and William Hartnell. Music is by Jack Beaver and cinematography by Otto Heller. A failing circus employs a mysterious hypnotist to boost the coffers, which with his skills working superbly makes the show a huge success. However, as Torg (Lom) begins to realise his worth to the show, and starts to make designs on the leading lady of the high-wire act, things quic...