- Phil Anderson-Hanney
- safety diver: underwater photography
- Christina Angeloudes
- legal and business affairs manager: Working Title
- Clint Bailey
- safety diver: underwater photography
- Jon Baker
- armourer
- Yves Ballard
- tutor: French
- Jo Bradman
- crowd runner
- Beatrice Brennan
- stand-in
- Jodie Caron
- development coordinator
- Diarmuid Coghlan
- assistant accountant
- Jessica Cole
- assistant: Paul Webster and Jane Frazer
- Ian Creed
- marine coordinator
- Cristiano D'Urso
- assistant accountant
- Belinda Day
- chaperone
- Jason Devil
- stand-in
- Isabelle Duvoisin
- press attache: France
- Mark Dyer
- safety diver: underwater photography
- Timothy Easthill
- finance director: Working Title (as Tim Easthill)
- Anna Edwards
- assistant: Joe Wright
- Jessica Forte
- assistant production coordinator: Working Title
- Juliet Gardiner
- historical advisor
- Jane Gibson
- choreographer
- Sam Goldsmith
- unit nurse: Enigma Nursing and Care
- Amelia Granger
- development executive: Working Title Films
- Tarn Harper
- post-production accountant
- Evan Hayes
- production executive: Working Title
- Tom Hingston
- titles
- Sarah Hood
- floor runner
- Amy Irvine
- stand-in
- Aliza James
- assistant: Eric Fellner, Working Title
- Nick Jeffries
- supervising armorer
- Debbie Kaye
- horse supplier
- Rachel Kennedy
- unit publicist
- Samantha Knox-Johnston
- production coordinator
- Angus Kyprianou
- set-runner
- Deborah Leakey
- assistant accountant
- Carly Lewisohn
- floor runner
- Sarah Lindfield
- production secretary
- Andy Lindley
- military advisor
- David Lumsden
- Behind the Scenes Editor
- Ann Lynch
- executive coordinator: Working Title
- Gráinne Mckenna
- vice president of business and legal affairs: Working Title (as Gráinne McKenna)
- Anna Mohr-Pietsch
- assistant: executive producer
- Angela Morrison
- chief operating officer: Working Title
- Megan Morrison
- caterer: Reel Meals
- Debbie Moseley
- assistant accountant
- David Munday
- tutor: harmonica
- Mark Munnelly
- auditor
- Simon Murray
- safety diver: underwater photography
- Ian Nichols
- marine supervisor
- Clive Noakes
- laboratory contact
- Jaesung Oh
- set production assistant (as Jae-sung Oh)
- Ellen Orchard
- stand-in
- Becky Page
- production intern
- Lance Palmer
- dive supervisor
- Sarah Payne
- production runner
- James Payton
- stand-in: James McAvoy
- Lucy Pleasence
- medical advisor
- Christopher Prino
- tutor
- Gemma Quickfall
- runner
- Monica Ronan
- chaperone (as Monica Roman)
- Sam Rook
- crowd runner
- Sheeraz Shah
- head of legal and business affairs: Working Title
- Dave Shaw
- diving coordinator
- Jon Sions
- medical advisor
- Tony Smart
- horse master
- Rob Sorrenti
- behind-the-scenes
- Julie Streeter
- asset manager
- Rebecca Surtees
- stand-in
- Neil Swain
- dialect coach
- Crispin Swayne
- technical advisor: military
- Katharine Tidy
- home economist
- Lucy Wainwright
- legal and business affairs executive: Working Title
- Jo Wallett
- assistant production coordinator
- Marcus Ward
- security: Keira Knightley
- Natascha Wharton
- head of development: Working Title
- David Wilcock
- assistant accountant
- Betty Williams
- production accountant
- Fred Windsor-Clive
- stand-in
- Sarah Jane Wright
- production executive: Working Title (as Sarah-Jane Robinson)
- Wil Wright
- supervising armourer
- Tim Bentinck
- adr loop group (uncredited)
- Sam Blackmore
- floor runner: additional photography (uncredited)
- Derek DiBiagio
- assistant: Keira Knightley (uncredited)
- Chloe Dorigan
- assistant: Tim Bevan (uncredited)
- Carlton Jarvis
- medical advisor (uncredited)
- Jérôme Jouneaux
- press attache: France (uncredited)
- Suzanne Mills
- set runner: second unit (uncredited)
- Kay Mitchell
- production assistant: dailies (uncredited)
- David Monteath
- voice actor (uncredited)
- Simon Neville
- set armorer (uncredited)
- Justin Pollard
- research consultant (uncredited)
- Gemma Quickfall
- set production assistant (uncredited)
- Matthieu Rey
- press attache: France (uncredited)