Rob Marshall Director, Producer Emily Blunt Mary Poppins Actor Lin-Manuel Miranda Jack Actor Ben Whishaw Michael Banks Actor Emily Mortimer Jane Banks Actor Pixie Davies Anabel Banks Actor Nathanael Saleh John Banks Actor Joel Dawson Georgie Banks Actor Colin Firth Wilkins, Wolf Actor Meryl Streep Topsy Actor Julie Walters Ellen Actor Dick Van Dyke Mr. Dawes Jr. Actor Angela Lansbury Balloon Lady Actor David Warner Admiral Boom Actor Jeremy Swift Gooding, Badger Actor Kobna Holdbrook-Smith Frye, Weasel Actor Jim Norton Binnacle Actor Noma Dumezweni Miss Penny Farthing Actor David Magee Screenwriter John DeLuca Producer Marc Platt Producer Callum McDougall Executive Producer Dion Beebe Cinematographer Wyatt Smith Film Editing Marc Shaiman Original Music John Myhre Production Design Sandy Powell Costume Design Bernard Telsey Casting Tiffany Little Canfield Casting