MARY POPPINS: A “practically perfect” nanny blown in by the wind. Pragmatic but caring, sensible but “tricky,” “spit spot spic and span.”
BERT: Friend of Mary Poppins, man of many trades, and narrator of the story.
GEORGE BANKS: Head of the Banks household. Banker by profession; orderly, efficient, authoritative, irritable.
WINIFRED BANKS: Wife to George, mother of Jane and Michael, former actress. In charge of all domestic responsibilities of the Banks household; expected by George to “do charity work and entertain.”
JANE BANKS: A “thoughtless, short-tempered and untidy” girl. George and Winifred’s daughter.
MICHAEL BANKS: “A noisy, mischievous, troublesome little boy.” George and Winifred’s son who longs for attention from his father, loves astronomy, and wants a “proper kite” to fly with his father.
KATIE NANNA: A nanny for the Banks family who leaves at the beginning of the show because of the naughty children.
MISS LARK: A townswoman who has a little dog named Willoughby.
ADMIRAL BOOM: A townsman who always speaks in nautical terms.
MRS. BRILL: The cook and housekeeper at the Banks’s home.
ROBERSON AY: The Banks’s houseboy.
NELEUS: Statue of a boy in the park who comes to life during “Jolly Holiday.”
QUEEN VICTORIA: Statue in the park who comes to life during “Jolly Holiday.”
BANK CHAIRMAN: George Banks’s boss.
MISS SMYTHE: The Bank Chairman’s secretary.
VON HUSSLER: A dubious businessman applying for a loan from the bank (“a good idea”).
NORTHBROOK: An honest gentleman applying for a loan to construct a factory (“a good man”).
MRS. CORRY: A magical conversation shop owner.
FANNIE AND ANNIE: Mrs. Corry’s daughters.
VALENTINE, TEDDY BEAR, DOLL, MR. PUNCH: The children’s toys who come to life.
MISS ANDREW: George Banks’s old nanny who comes to the Banks home when Mary Poppins leaves temporarily.
POLICEMAN, PARK KEEPER, BIRD WOMAN
ENSEMBLE OF LONDONERS