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savingmrbanksIt’s simple. Yet effective.

Walt Disney Pictures released a teaser poster for the upcoming drama “Saving Mr. Banks” about Walt Disney trying to adapt P.L. Traver’s novel Mary Poppins for the big screen.

And as you can see with the poster below, it’s all about Mickey Mouse trying to convince Mary Poppins.

The movie has an all-star cast that includes Tom Hanks, Emma Thompson, Ruth Wilson, Colin Farrell, Rachel Griffiths, Paul Giamatti and Jason Schwartzman.

“Saving Mr. Banks” will be in theaters on December 20.

Check out the poster below.