 | Kristen Stewart als Princess Diana |
 | Jack Farthing als Charles |
 | Sally Hawkins als Maggie |
 | Timothy Spall als Major Alistair Gregory |
 | Sean Harris als Darren |
 | Thomas Douglas als John Spencer, Earl Spencer |
| Olga Hellsing als Sarah Ferguson |
| Matthias Wolkowski als Prince Edward |
| Oriana Gordon als Lady Sarah Chatto |
 | Ryan Wichert als Staff Sergeant Wood |
 | John Keogh als Michael |
 | Amy Manson als Anne Boleyn |
 | Elizabeth Berrington als Princess Anne |
 | Jack Nielen als William |
 | Freddie Spry als Harry |
 | Stella Gonet als The Queen |
 | Richard Sammel als Prince Philip |
| Lore Stefanek als Queen Mother |
 | James Harkness als Footman Paul |
 | Laura Benson als Angela (Dresser) |
 | Wendy Patterson als Maria (Older Maid) |
 | Libby Rodliffe als Pamela (Maid) |
 | Niklas Kohrt als Prince Andrew |
| Yeşim Zolan | Set Decoration |
| Paul Webster | Producer |
| Steven Knight | Screenplay |
| Steven Knight | Executive Producer |
| Janine Jackowski | Producer |
| Maren Ade | Producer |
| Jacqueline Durran | Costume Design |
| Jonny Greenwood | Original Music Composer |
| Adele Fletcher | ADR Editor |
| Pablo Larraín | Director |
| Pablo Larraín | Producer |
| Jonas Dornbach | Producer |
| Amy Hubbard | Casting |
| Juan de Dios Larraín | Producer |
| Claire Mathon | Director of Photography |
| Miguel Hormazábal | Sound Designer |
| Sebastián Sepúlveda | Editor |
| Jeff Deutchman | Executive Producer |
| Guy Hendrix Dyas | Production Design |
| Ralf Schreck | Supervising Art Director |
| Paddy Eason | Visual Effects Supervisor |
| Mauricio López | Sound Re-Recording Mixer |
| Soledad Vargas | Foley Recordist |
| Stefan Speth | Art Direction |
| Jörg Kidrowski | Production Sound Mixer |
| Tom Quinn | Executive Producer |
| Stacey Panepinto | Makeup Artist |
| Iris Paschedag | Assistant Art Director |
| Ben von Dobeneck | Executive Producer |
| Ivo Moraga | Foley Artist |
| Ivo Moraga | Foley Supervisor |
| Sarah Nagel | Executive Producer |
| Sebastian Barker | Visual Effects Supervisor |
| Friederike Gast | Assistant Set Decoration |
| Enzo Enzel | Scenic Artist |
| Michael Bloom | Executive Producer |
| Henning Brehm | Graphic Designer |
| Vikram Chadha | Visual Effects Producer |
| Isabell Wiegand | Executive Producer |
| Maria Zuckerman | Executive Producer |
| Ryan Heller | Executive Producer |
| Kim Scharnitzky | Set Decoration Buyer |
| Christina Zisa | Executive Producer |
| Anna Jarocka | Assistant Art Director |
| Emily Bowen | Assistant Costume Designer |
| Lou Datchens | Visual Effects Coordinator |
| Tristan Hume | Production Supervisor |
| Mathias Datow | Assistant Director |
| Gregor Stitzl | First Assistant Director |
| Robin Plöger | Set Dresser |
| Roman Höffgen | Boom Operator |
