Emma Thompson

P.L. Travers

Tom Hanks

Walt Disney

Colin Farrell

Travers Robert Goff

Paul Giamatti

Ralph

Ruth Wilson

Margaret Goff

Jason Schwartzman

Richard Sherman

Bradley Whitford

Don DaGradi

Annie Rose Buckley

Ginty

B.J. Novak

Robert Sherman

Kathy Baker

Tommie

Lily Bigham

Biddy

Melanie Paxson

Dolly

Andy McPhee

Mr. Belhatchett

Rachel Griffiths

Aunt Ellie

Ronan Vibert

Diarmuid Russell

Fuschia Sumner

Flight Attendant

David Ross Paterson

Doctor

Laura Waddell

Woman with Infant

Barbara Keegan

Flight Attendant

Steven Cabral

Bank Clerk

Jerry Hauck

Premier Emcee

Michelle Arthur

Polly

Michael Swinehart

Porter

Bob Rusch

Doorman

Paul Tassone

Refreshment Tent Man

Luke Baines

Waiter

Demetrius Grosse

Bartender

Kim D'Armond

Katie Nanna

Mia Serafino

Young Woman

Claire Bocking

Nanny Claire

Dendrie Taylor

Lillian Disney

Kristopher Kyer

Dick Van Dyke (uncredited)

Victoria Summer

Julie Andrews (uncredited)

Jaeden Bettencourt

Young Child-1906 (uncredited)

Melissa Bickerton

Mrs. Corry (uncredited)

Ginger Pauley

Joyce Sherman (uncredited)

Rhoda Pell

Mrs. Belhatchett (uncredited)