Disney has added Snow White to its development slate, eyeing a new live-action musical feature film based on its classic cartoon. This adds to the list of live-action updates of its animated fare joining Maleficent, Cinderella, The Jungle Book and the upcoming Beauty and the Beast and The Lion King among them. Erin Cressida Wilson (The Girl on the Train) is in talks to pen the script for the pic, which will feature new songs by La La Land songwriters Benj Pasek and Justin Paul. Marc Platt, who already is working on an update of The Little Mermaid as well as Mary Poppins and Wicked, is aboard to executive produce.