The 91-year-old veteran will play the Balloon Lady in the film, according to multiple reports.

The character appeared in many of author P.L. Travers' Mary Poppins stories.

Lansbury, who previously appeared in Disney films Bedknobs & Broomsticks and Beauty & the Beast, joins a cast which includes Emily Blunt as Poppins, Lin-Manuel Miranda, Ben Whishaw, Emily Mortimer, Julie Walters, Colin Firth, and Meryl Streep.