Emily Blunt character Mary Poppins
Ben Whishaw character Michael Banks
Emily Mortimer character Jane Banks
Pixie Davies character Annabel Banks
Nathanael Saleh character John Banks
Lin-Manuel Miranda character Jack
Joel Dawson character Georgie Banks
Julie Walters character Ellen
Meryl Streep character Tatiana "Topsy" Topotrepolovsky
Colin Firth character William "Weatherall" Wilkins / Wolf (voice)
Jeremy Swift character Hamilton Gooding / Badger (voice)
Kobna Holdbrook-Smith character Templeton Frye / Weasel (voice)
Dick Van Dyke character Mr. Dawes Jr.
Angela Lansbury character Balloon Lady
David Warner character Admiral Boom
Jim Norton character Mr. Binnacle
Noma Dumezweni character Miss Penny Farthing
Tarik Frimpong character Angus
Sudha Bhuchar character Miss Lark
Steve Nicolson character Park Keeper
Christian Dixon character The Milkman
Christopher Godwin character Information Desk Clerk
John Dagleish character Courier
Karen Dotrice character Lady On Cherry Tree Lane
Ian Conningham character Pub Landlord
Billy Barratt character Street Urchin
Felix Collar character Street Urchin
Kate Attwell character Street Urchin
Chris O'Dowd character Shamus the Coachman Dog (voice)
Mark Addy character Clyde the Horse (voice)
Edward Hibbert character Mary Poppins' Parrot Umbrella (voice)
Jon-Scott Clark character Leerie
Calvin Chen character Leerie
Craig Stein character Leerie
Leon Cooke character Leerie
Alex Sturman character Leerie
Tara Nicole Hughes character Female Dancer
Bernardo Santos character Fun Fair Couple (uncredited)
Johanna Thea character Fairground Attendee (uncredited)
Jag Patel character Corporate Internal Bank Customer
Nina Kumar character Bank Customer (uncredited)
David Gambier character Fair Ground Attendee (uncredited)
Jeremy Azis character Bank Customer 110 (uncredited)
Bern Collaço character Bank Teller (uncredited)
Steve Carroll character Tramp (uncredited)
Martyn Mayger character Banker (uncredited)
Alex Jaep character Bank Customer (uncredited)
Richard Price character St Paul's Passerby (uncredited)
Fran Targ character Homeless Soup kitchen (uncredited)
Raj Awasti character Bank Customer (uncredited)
Ash character Willoughby
Shay Barclay character Leerie
Ashley Birchall character Leerie
Michael Carroll character Leerie
Jack Harrison-Cooper character Leerie
Sean Corrie character Leerie
Momar Diagne character Leerie
Antony Edwards character Leerie
Aston Newman Hannington character Leerie
Jake Moyle character Leerie
Marlon Pelayo character Leerie
James Revell character Leerie
Ted Rogers character Leerie
Charles Ruhrmund character Leerie
Christopher Scott character Leerie
Zac Smith character Leerie
Jahrel Thomas character Leerie
John White character Leerie
Teneisha Bonner character Female Dancer
Lavinia Fitzpatrick character Female Dancer
Hannah Kenna-Thomas character Female Dancer
Jennifer Leung character Female Dancer
Rachel Muldoon character Female Dancer
Cassie Rogers character Female Dancer
Lorraine Stewart character Female Dancer
Antonio Raul Corbo character Boy (uncredited)
Johnny Bishop character Leerie
