 Julie AndrewsMary Poppins | Mary Poppins |
 Dick Van DykeBert / Mr. Dawes Sr. | Bert / Mr. Dawes Sr. |
 David TomlinsonMr. Banks | Mr. Banks |
 Glynis JohnsMrs. Banks | Mrs. Banks |
 Hermione BaddeleyEllen | Ellen |
 Karen DotriceJane Banks | Jane Banks |
 Matthew GarberMichael Banks | Michael Banks |
 Elsa LanchesterKatie Nanna | Katie Nanna |
 Arthur TreacherConstable | Constable |
 Reginald OwenAdmiral Boom | Admiral Boom |
 Ed WynnUncle Albert | Uncle Albert |
 Reta ShawMrs. Brill | Mrs. Brill |
 Arthur MaletMr. Dawes Jr. | Mr. Dawes Jr. |
 Jane DarwellBird Woman | Bird Woman |
| JJames LoganBank Doorman | Bank Doorman |
 Don BarclayMr. Binnacle | Mr. Binnacle |
| AAlma LawtonMrs. Corry | Mrs. Corry |
 Marjorie EatonMiss Persimmon | Miss Persimmon |
 Marjorie BennettMiss Lark | Miss Lark |
 Doris LloydDepositor (uncredited) | Depositor (uncredited) |
 Dal McKennonPenguin Waiters / Carousel Guard / Horse / Fox (voice) | Penguin Waiters / Carousel Guard / Horse / Fox (voice) |
 Daws ButlerTurtle/Penguin (voice) (uncredited) | Turtle/Penguin (voice) (uncredited) |
 Bill LeeRam (voice) (uncredited) | Ram (voice) (uncredited) |
 Alan NapierHuntsman/Reporter #3/Hound (voice) (uncredited) | Huntsman/Reporter #3/Hound (voice) (uncredited) |
 Thurl RavenscroftHog / Andrew's Whimper (Voice) (Uncredited) | Hog / Andrew's Whimper (Voice) (Uncredited) |
 J. Pat O'MalleyPearly Drummer/Master of Hounds/Huntsman/Hound/Horse/Penguin/Reporter #2/Photographer (Voice) (Uncredited) | Pearly Drummer/Master of Hounds/Huntsman/Hound/Horse/Penguin/Reporter #2/Photographer (Voice) (Uncredited) |
 Marni NixonGeese (Voice) (Uncredited) | Geese (Voice) (Uncredited) |
 Betty Lou GersonOld Crone (Uncredited) | Old Crone (Uncredited) |
 Richard M. ShermanPenguin / Pearly (Voice) (Uncredited) | Penguin / Pearly (Voice) (Uncredited) |
 Robert B. ShermanPearly Banjo Player (Voice) (Uncredited) | Pearly Banjo Player (Voice) (Uncredited) |
