| Person | Type | Job | Role(s) |
|---|---|---|---|
 Abi Morgan | Crew | Writing | Screenplay |
 Annie Gilhooly | Crew | Art | Set Decoration |
 Consolata Boyle | Crew | Costume & Make-Up | Costume Design |
 Damian Jones | Crew | Production | Producer |
 Elliot Davis | Crew | Camera | Director of Photography |
François Ivernel | Crew | Production | Executive Producer |
J. Roy Helland | Crew | Costume & Make-Up | Hair Designer, Makeup Designer |
Justine Wright | Crew | Editing | Editor |
Marese Langan | Crew | Costume & Make-Up | Makeup & Hair |
 Mark Coulier | Crew | Costume & Make-Up | Prosthetic Makeup Artist |
 Nina Gold | Crew | Production | Casting |
Simon Elliott | Crew | Art | Production Design |
Sue Hills | Crew | Directing | Script Supervisor |
 Thomas Newman | Crew | Sound | Original Music Composer |
 Ian Neil | Crew | Sound | Music Supervisor |
 Phyllida Lloyd | Crew | Directing | Director |
Adam Kulick | Crew | Production | Executive Producer |
Bradley Porter | Crew | Crew | Production Office Assistant |
Kevin Day | Crew | Art | Standby Property Master |
 Andrew Havill | Cast | Actor | Cabinet Ministers |
 Angela Curran | Cast | Actress | Crawfie |
 David Cann | Cast | Actor | TV Interviewer |
 David Rintoul | Cast | Actor | Admiral Fieldhouse |
 David Westhead | Cast | Actor | Shadow Minister |
 Harry Lloyd | Cast | Actor | Young Denis Thatcher |
 Iain Glen | Cast | Actor | Alfred Roberts |
 Jim Broadbent | Cast | Actor | Denis Thatcher |
 John Sessions | Cast | Actor | Edward Heath |
 Julian Wadham | Cast | Actor | Francis Pym |
 Matthew Marsh | Cast | Actor | Alexander Haig |
 Meryl Streep | Cast | Actress | Margaret Thatcher |
 Michael Cochrane | Cast | Actor | William |
 Michael Culkin | Cast | Actor | Host 1949 |
 Michael Maloney | Cast | Actor | Doctor |
 Michael Pennington | Cast | Actor | Michael Foot |
 Nicholas Farrell | Cast | Actor | Airey Neave |
 Nicholas Jones | Cast | Actor | Admiral Leach |
 Pip Torrens | Cast | Actor | Ian Gilmour |
 Richard E. Grant | Cast | Actor | Michael Heseltine |
 Robert Portal | Cast | Actor | Grey Suited Guest 1949 |
 Roger Allam | Cast | Actor | Gordon Reece |
 Rupert Vansittart | Cast | Actor | Cabinet Minister |
 Simon Chandler | Cast | Actor | Cabinet Ministers |
 Stephen Boxer | Cast | Actor | Cabinet Ministers |
 Susan Brown | Cast | Actress | June |
 Sylvestra Le Touzel | Cast | Actress | Hostess 1949 |
 Alice da Cunha | Cast | Cleaner | |
 Olivia Colman | Cast | Actress | Carol Thatcher |
 Stephanie Jacob | Cast | Actress | Female Guest 1949 |
 Alexandra Roach | Cast | Actress | Young Margaret Thatcher |
 Phoebe Waller-Bridge | Cast | Actress | Susie |
 Eloise Webb | Cast | Actress | Young Carol |
 Victoria Bewick | Cast | Actress | Muriel Roberts |
 Anthony Stewart Head | Cast | Actor | Geoffrey Howe |
| Person | Type | Job | Role(s) |
