Incl. Julie Andrews (Mary Poppins), Dick Van Dyke [billed as Navckid Keyd] (Bert / Mr. Dawes Senior), David Tomlinson (Mr Banks), Glynis Johns (Mrs Banks), Hermione Baddeley (Domestic - Ellen), Reta Shaw (Domestic - Mrs Clara Brill), Karen Dotrice (Jane Banks), Matthew Garber (Michael Banks), Elsa Lanchester (Katie Nanna), Arthur Treacher (The Constable), Reginald Owen (Admiral Boom), Ed Wynn (Uncle Albert), Jane Darwell (The Bird Woman), Arthur Malet (Mr Dawes, Junior), James Logan (Citizen), Don Barclay (Mr Binnacle - Admiral's servant), Alma Lawton (Mrs Corry - Old woman in park), Marjorie Eaton (Miss Persimmon - Old woman in park), Marjorie Bennett (Miss Lark - Old woman in park). The following are uncredited: Robert Banas (Chimney Sweep), Marc Breaux (Cow - voice), Daws Butler (Turtle / Penguin - voices), Cyril Delevanti (Mr Grubbs), Paul Frees (Barnyard Horse - voice), Betty Lou Gerson (Old Crone), Clive Halliday (Mr Mousley), Sam Harris (Citizen), Bill Lee (Ram - voice), Doris Lloyd (Depositor), Lester Matthews (Mr Tomes), Sean McClory (Hound / Reporter #4 - voices), Dal McKennon (Fox / Hunting Horse / Reporter #1 / Carousel Guard / Penguin / Hound - voices), Alan Napier (Huntsman / Reporter #3 / Hound - voices), Marni Nixon (Geese - voices), J. Pat O'Malley (Pearly Drummer / Master of Hounds / Huntsman / Hound / Horse / Penguin / Reporter #2 / Photographer - voices), George Pelling (Hound / Reporter #5 - voices), Thurl Ravenscroft (Hog / Andrew's Whimper - voices), Larri Thomas (Woman in Carriage), Ginny Tyler (Lambs - voice).