Latest MARY POPPINS RETURNS Featurettes and More Videos Watch the latest MARY POPPINS RETURNS featurettes and more videos! The film, directed by Rob Marshall (Into the Woods, Pirates of the Caribbean: On Stranger Tides), stars Emily Blunt, Meryl Streep, Colin Firth, Angela Lansbury, Ben Whishaw, Lin-Manuel Miranda, Emily Mortimer, and Dick Van Dyke. MARY POPPINS RETURNS will be released in theaters on December 19. In Depression-era London, a now-grown Jane and Michael Banks, along with Michael’s three children, are visited by the enigmatic Mary Poppins following a personal loss. Through her unique magical skills, and with the aid of her friend Jack, she helps the family rediscover the joy and wonder missing in their lives.