Emily Blunt

Mary Poppins

Lin-Manuel Miranda

Jack

Ben Whishaw

Michael Banks

Emily Mortimer

Jane Banks

Pixie Davies

Annabel

Nathanael Saleh

John

Joel Dawson

Georgie

Julie Walters

Ellen

Meryl Streep

Cousin Topsy

Colin Firth

Wilkins / Wolf (voice)

Jeremy Swift

Gooding / Badger (voice)

Kobna Holdbrook-Smith

Frye / Weasel (voice)

Dick Van Dyke

Mr. Dawes Jr.

Angela Lansbury

Balloon Lady

David Warner

Admiral Boom