Kristen Stewart (Diana), Timothy Spall (Major Alistair Gregorys), Jack Nielen (William), Freddie Spry (Harry), Jack Farthing (Charles), Sean Harris (Darren), Stella Gonet (The Queen) more..., Richard Sammel (Prince Philip), Elizabeth Berrington (Princess Anne), Lore Stefanek (Queen Mother), Amy Manson (Anne Boleyn), Sally Hawkins (Maggie), James Harkness (Footman Paul), Laura Benson (Angela (Dresser)), Wendy Patterson (Maria (Older Maid)), Libby Rodliffe (Pamela (Maid)), John Keogh (Michael (Charles' Valet)), Marianne Graffam (Barbara (Nanny)), Ben Plunkett-Reynolds (Footman Brian), Ryan Wichert (Staff Sergeant Wood), Michael Epp (Lance Corporal Jacobs), Tom Hudson (Police Constable Thomas), James Gerard (Police Constable Field), Thomas Douglas (John Spencer), Ian Ashpitel (Vicar), Emma Darwall Smith (Camilla Parker Bowles), Kimia Schmidt (Diana (9 Years)), Greta Bücker (Diana (Late Teenage Years)), Henry Castello (Charles Spencer (9 Years)), Christin Schreiber (Alter Ego Diana), Camille Loup Moltzen (Boy (Roadhouse Cafe)), Mudassar Dar (KFC Employee), Niklas Kohrt (Prince Andrew), Peter Lee (Church Organist), Olga Hellsing (Sarah Ferguson (uncredited)), Matthias Wolkowski (Prince Edward (uncredited)), Oriana Gordon (Lady Sarah Chatto (uncredited)), Sami Amber (Boy (Roadhouse Cafe) (uncredited))

Yeşim Zolan (Set Decoration), Paul Webster (Producer), Janine Jackowski (Producer), Jacqueline Durran (Costume Design), Jonny Greenwood (Original Music Composer), Pablo Larraín (Producer), Jonas Dornbach (Producer) more..., 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), Mauricio López (Sound Re-Recording Mixer), Stefan Speth (Art Direction), Tom Quinn (Executive Producer), Stacey Panepinto (Makeup Artist), 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), Maria Zuckerman (Executive Producer), Ryan Heller (Executive Producer), Christina Zisa (Executive Producer), Anna Jarocka (Assistant Art Director), Tristan Hume (Production Supervisor), Mathias Datow (Assistant Director), Gregor Stitzl (First Assistant Director), Steven Knight (Executive Producer), Maren Ade (Producer), Ben von Dobeneck (Executive Producer), Sarah Nagel (Executive Producer), Isabell Wiegand (Executive Producer), Adele Fletcher (ADR Editor), Soledad Vargas (Foley Recordist), Jörg Kidrowski (Production Sound Mixer) and others.