How Emily Blunt’s Mary Poppins Will Differ From Julie Andrews’ Version

When it comes to nabbing good roles, Emily Blunt has much to be thankful for. She’s played an action hero and sung Sondheim, and she’s poised to have her most memorable performance yet in this fall’s The Girl on the Train, out Oct. 7. But she doesn’t hesitate to name the role she’s most grateful for, and it’s one she hasn’t even started rehearsing for.