Harris was inspired to write his novel "An Officer and a Spy" by Polanski's longtime interest in the Dreyfus affair. He also wrote a screenplay based on the story, which Polanski was to direct in 2012. The screenplay was first titled "D", after the initial written on the secret file that secured Dreyfus' conviction. After many years of production difficulties, it started filming in November 2018 as "J'accuse", starring Jean Dujardin and co-starring Mathieu Amalric and Olivier Gourmet. It is produced by Alain Goldman and distributed by Gaumont.