Our guest is Emerald Fennell, who wrote, directed and produced “Promising Young Woman.” Her debut feature film got five Oscar nominations. Fennell talks about the strong responses to “Promising Young Woman” since its release, the importance of casting actor Carey Mulligan in the starring role and writing a new screenplay about the DC Comics superhero Zatanna Zatara.For more exclusive awards season coverage, visit latimes.com/envelope and sign up for our Envelope newsletter. Guest photo by Faye Thomas.