Maggie Gyllenhaal will star in Nanny McPhee and the Big Bang, the sequel to Working Title's 2005 family fantasy hit Nanny McPhee, joined by other cast members Rhys Ifans, Maggie Smith and Asa Butterfield (The Boy in the Striped Pajamas), Variety reported.
Emma Thompson, who is also writing the script and executive-producing, will reprise her role as a magic-wielding governess.
The action this time centers on a group of kids who are evacuated from the city to a farm during wartime.
British helmer Susanna White is set to make her feature-directing debut with the project, set to go into production this summer. Ralph Fiennes is in talks to take an uncredited cameo in the movie. The series is based on Christianna Brand's popular Nurse Matilda children's books.