Mary Poppins in the Disney film, as portrayed by Julie Andrews, is also fairly stern but at the same time more gentle, cheerful, and nurturing of the two Banks children, of whom she is in charge. Mary also has a friendship with Bert (Dick Van Dyke), a jack-of-all-trades, who is quite at home with Mary's brand of magic.
In the Disney film, Mary Poppins, played by Julie Andrews, shows sternness but also kindness, cheerfulness, and nurturing towards the Banks children. She has a friendship with Bert (Dick Van Dyke), who is skilled in various areas and feels at ease with Mary’s magical approach.