German actress Lilli Palmer was not dubbed, which was quite unusual for French films of this period.
Italian actress Lea Padovani is dubbed in some scenes by Nadine Alari, while her own voice (with a strong Italian accent) can be heard in others.
Two days after Modigliani's death from meningitis, Jeanne Hébuterne hurled herself out of the window of her parents' fifth floor apartment, killing herself and her unborn child. The couple left behind a daughter, Jeanne, born two months earlier.