| Emily Blunt | Mary Poppins |
| Lin-Manuel Miranda | Jack |
| Emily Mortimer | Jane Banks |
| Pixie Davies | Anabel Banks |
| Julie Walters | Ellen |
| Colin Firth | William Weatherall Wilkins |
| Meryl Streep | Topsy |
| Nathanael Saleh | John |
| Joel Dawson | Georgie |
| Dick Van Dyke | Mr. Dawes Jr. |
| Angela Lansbury | Balloon Lady |
| David Warner | Admiral Boom |
| Jim Norton | Binnacle |
| Noma Dumezweni | Miss Penny Farthing |
| Tarik Frimpong | Angus |
| Sudha Bhuchar | Miss Lark |
| Ben Whishaw | Actor |
Technical Credits
| Rob Marshall | Director,Producer |
| Hanna Abi-Hanna | Animator |
| Kat Ali | Makeup |
| Melissa Andres | Animator,Production Manager |
| Tony Bancroft | Animator |
| James Baxter | Animator |
| Dion Beebe | Cinematographer |
| Gabriel Begin | Animator |
| Jacqueline Bhavnani | Makeup |
| Tiffany Little Canfield | Casting |
| Steve Carter | Art Director |
| Sandro Cleuzo | Animator |
| Alex D. daSilva | Production Manager |
| Amanda Dazely | Art Director |
| John DeLuca | Original Story |
| John DeLuca | Producer |
| Ken Duncan | Animator |
| Simon Elsley | Art Director |
| Thomas Enjalbert | Animator |
| Talia Felber | Production Manager |
| Eugene Gearty | Sound/Sound Designer |
| Paul Gemignani | Musical Direction/Supervision |
| Hannah Godwin | Production Manager |
| Angus More Gordon | Co-producer |
| Michael Higham | Musical Direction/Supervision |
| Ben Howarth | Asst. Director |
| Elaine Kusmishko | Art Director |
| David Magee | Original Story,Screenwriter |
| Francine Maisler | Casting |
| Robert Marshall | Original Story |
| Callum McDougall | Executive Producer |
| Uli Meyer | Animator |
| Borja Montoro | Animator |
| John Myhre | Production Designer |
| Jamie Oliff | Animator |
| Scott Petersen | Animator |
| Marc E. Platt | Producer |
| Sandy Powell | Costumes/Costume Designer |
| Stewart Probert | Production Manager |
| Chris Sauve | Animator |
| Brett Schroeder | Animator |
| Marc Shaiman | Score Composer,Songwriter |
| Wyatt Smith | Editor |
| Michael St. Hilaire | Camera Operator |
| Vicki Stevenson | Art Director |
| Patrick M. Sullivan | Art Director |
| Bernie Telsey | Casting |
| Reneé Tondelli | Sound/Sound Designer |
| Jeff Turley | Animator,Production Designer |
| Frans Vischer | Animator |
| Bill Waldman | Animator |
| Steven Warner | Special Effects Supervisor |
| Andreas Wessel-Therhorn | Animator |
| Matt Williamês | Animator |
| Scott Wittman | Score Composer,Songwriter |
| Michael Zimmer | Co-producer |
