 | Helen Mirren als The Queen |
 | Michael Elwyn als Anthony Eden |
 | Haydn Gwynne als Margaret Thatcher |
 | Richard McCabe als Harold Wilson |
 | Nathaniel Parker als Gordon Brown |
 | Paul Ritter als John Major |
 | Rufus Wright als David Cameron |
 | Edward Fox als Winston Churchill |
 | David Peart als James Callaghan / Private Secretary |
 | Geoffrey Beevers als Equerry |
 | Nell Williams als Young Elizabeth |
 | Charlotte Moore als Bobo MacDonald / Private Secretary |
 | Harry Feltham als Junior Equerry / Footman |
| Matt Plumb als Junior Equerry / Footman |
| Spencer Kitchen als The Queen's Dresser |
| Elaine Solomon als The Queen's Dresser |
 | Jonathan Coote als Cecil Beaton / Detective |
 | Ian Houghton als Detective / Policeman |
| Peter Morgan | Theatre Play |
| Stephen Daldry | Stage Director |
| Bob Crowley | Set Designer |
| Bob Crowley | Costume Design |
| Rick Fisher | Lighting Design |
| Paul Arditti | Sound Designer |
| Paul Englishby | Music |
| Ivana Primorac | Hair Designer |
| Ivana Primorac | Makeup Designer |
| Nina Gold | Casting |
| Jessica Ronane | Casting |
| David Sabel | Executive Producer |
| Emma Keith | Producer |
| Robin Lough | Director |
| Sara Israel | Associate Producer |
| Nigel Catmur | Lighting Director |
| Bernie Davis | Lighting Director |
| Conrad Fletcher | Sound Supervisor |
| Judy Chesterman | Script Supervisor |
| Harry Guthrie | Production Manager |
| Mike McGaw | Unit Manager |
| Paul Freeman | Camera Supervisor |
| Tony Freeman | Camera Operator |
| David Gopsill | Camera Operator |
| Wayne Ratcliffe | Camera Operator |
| Paul Stannering | Sound Mixer |
| Giuseppe Cannas | Hair Supervisor |
| Giuseppe Cannas | Makeup Supervisor |
| Carole Hancock | Hair Supervisor |
| Carole Hancock | Makeup Supervisor |
| Ed Ferguson | Sound Post Production Coordinator |
| Rob Bettle | Sound Engineer |
| Peter Owen | Wig Designer |
| Sam Charleston | Sound |
