He created the character Doctor Mabuse who was a feature of some of his novels, including "Mabuse's Colony".
The film made use of the character Dr. Mabuse invented by Norbert Jacques, whom Lang had used in two previous films back in 1922 (Dr. Mabuse, der Spieler, 2 parts) and 1933 (Das Testament des Dr. Mabuse).
Jacques Chirac | Jean-Jacques Rousseau | Jacques Offenbach | Jacques-Louis David | Jacques Brel | Jacques Lacan | Jacques Derrida | Jacques Cartier | Jacques Cousteau | Jean-Jacques Goldman | Jacques Lipchitz | Jacques Higelin | Jacques Dutronc | Jacques Delors | Jean-Jacques Annaud | St. Norbert College | Jacques Rouvier | Jacques Rogge | Jacques Prévert | Jacques Villeneuve | Jacques Lanzmann | Jacques Hébert | Jacques Brel is Alive and Well and Living in Paris | Jacques Attali | Jacques | Jacques Monod | Jacques Maritain | Jacques Kallis | Jacques Fath | Jacques Anquetil |
Based on Norbert Jacques' novel of the same name, Dr. Mabuse, der Spieler was adapted to the screen by Lang and his wife Thea von Harbou.