Mary Poppins

Julie Andrews

Bert/Mr. Dawes, Sr.

Dick Van Dyke

Mrs. Winifred Banks

Glynis Johns

Mr. Banks

David Tomlinson

Uncle Albert

Ed Wynn

Ellen

Hermione Baddeley

Jane Banks

Karen Dotrice

Michael Banks

Matthew Garber

Mrs. Brill

Reta Shaw

Katie Nanna

Elsa Lanchester

Constable Jones

Arthur Treacher

Admiral Boom

Reginald Owen

Mr. Dawes, Jr.

Arthur Malet

Bird Woman

Jane Darwell

Mr. Binnacle

Don Barclay

Bank Doorman

James Logan

Mrs. Corry

Alma Lawton

Miss Persimmon

Marjorie Eaton

Miss Lark

Marjorie Bennett

Mr. Grubbs

Cyril Delevanti

Mr. Tomes

Lester Matthews

Depositor (uncredited)

Doris Lloyd

Mr. Mousely

Clive L. Halliday

Penguin Waiters / Carousel Guard / Horse / Fox (voice)

Dal McKennon

Turtle/Penguin (voice) (uncredited)

Daws Butler

Ram (voice) (uncredited)

Bill Lee

Citizen

Major Sam Harris

Huntsman/Reporter #3/Hound (voice) (uncredited)

Alan Napier

Hog / Andrew's Whimper (Voice) (Uncredited)

Thurl Ravenscroft

Pearly Drummer/Master of Hounds/Huntsman/Hound/Horse/Penguin/Reporter #2/Photographer (Voice) (Uncredited)

J. Pat O'Malley

Geese (Voice) (Uncredited)

Marni Nixon

Old Crone (Uncredited)

Betty Lou Gerson

Penguin / Pearly (Voice) (Uncredited)

Richard M. Sherman

Pearly Banjo Player (Voice) (Uncredited)

Robert B. Sherman