Emily Blunt Mary Poppins
Meryl Streep Cousin Topsy
David Warner Admiral Boom
Ben Whishaw Michael Banks
Colin Firth Wilkins / Wolf (voice)
Mark Addy Clyde the Horse (voice)
Dick Van Dyke Mr. Dawes Jr.
Chris O'Dowd Shamus the Coachman (voice)
Julie Walters Ellen
Emily Mortimer Jane Banks
Angela Lansbury Balloon Lady
Edward Hibbert Parrot Umbrella (voice)
Leo Pean de Ponfilly Digital Compositors
Lin-Manuel Miranda Jack
Jim Norton Mr. Binnacle
Patrick Hall Digital Compositors
Billy Barratt Street Urchin
Jill McCullough Dialect Coach
Noma Dumezweni Miss Penny Farthing
Dominique Law Draughtsman
Jeremy Swift Gooding / Badger (voice)
Calvin Chen Leerie (uncredited)
Jon-Scott Clark Leerie
Peter Robertson Steadicam Operator
Kira Kemble Draughtsman
Steve Nicolson Park Keeper
Sarah Trevis Casting Associate
Francine Maisler Casting
David Magee Screenplay, Story
Sara Woomer Visual Effects Coordinator
Rob Marshall Director, Producer, Story, Choreographer
Ali James Location Manager
Carolina Cedres Visual Effects Coordinator
Marc Shaiman Original Music Composer, Songs, Lyricist
Callum McDougall Executive Producer, Production Manager
Kobna Holdbrook-Smith Frye / Weasel (voice)
Jeff Atmajian Orchestrator
Charlotte Law Assistant Costume Designer
Marc Platt Producer
Lucy Allen Stunts
Bernard Telsey Casting
Ian Pead Stunts
Jay Maidment Still Photographer
Mark Berrow Musician
Thomas Napper Second Unit Director
Sarah Iovino Art Department Coordinator
Cristian Knight Stunts
Marko Costanzo Foley Artist
Antonio Raul Garcia Boy (uncredited)
Mark DeSimone ADR Mixer
Nathanael Saleh John
Alexis Wajsbrot Additional Visual Effects
Raj Awasti Bank Customer (uncredited)
Peter Gleaves ADR Mixer
Steve Mair Musician
Christopher Scott Leerie
Michael Hatzer Digital Intermediate Colorist
Jack Feldman Music Arranger
Chris Lyons Special Effects Makeup Artist
Sandy Powell Costume Design
Jim Capobianco Animation Supervisor
Tobias Eedy First Assistant Camera
George Kirby Stunts
Nick Chopping Stunts
Rachel Bolt Musician
Tiffany Little Canfield Casting
Mark Mottram Stunt Coordinator
John Myhre Production Design
Julian Bucknall First Assistant Camera
Dion Beebe Director of Photography
Gary Arthurs Stunts
John Dagleish Courier