| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Ashley Rowe | Crew | Camera | Director of Photography | 3 |
 Colin Wratten | Crew | Production | Producer | 8 |
 John Lunn | Crew | Sound | Music | 8 |
 Julian Fellowes | Crew | Production | Executive Producer | 8 |
Nigel Marchant | Crew | Production | Executive Producer | 8 |
 Paul Wilmshurst | Crew | Directing | Director | 3 |
 Helen Edmundson | Crew | Production | Executive Producer, Writer, Creator | 8 |
Stuart Gazzard | Crew | Editing | Editor | 2 |
 Gareth Neame | Crew | Production | Executive Producer | 8 |
John Alexander | Crew | Directing | Director | 3 |
Anne Sopel | Crew | Editing | Editor | 1 |
Alex John MacLean | Crew | Directing | Third Assistant Director | 3 |
Hannah Lewis | Crew | Directing | Second Assistant Director | 3 |
Joanna Strevens | Crew | Production | Executive Producer | 8 |
 Claude Perron | Cast | Actress | Marquise d'Etagnac | 8 |
 Elaine Cassidy | Cast | Actress | Davison | 8 |
 Gerard Horan | Cast | Actor | Enright | 8 |
 Rupert Vansittart | Cast | Actor | Lord Netherbury | 3 |
 Sophie Thompson | Cast | Actress | Mrs Dunn | 8 |
 Alice Eve | Cast | Actress | Susan Trenchard | 2 |
 Juliet Howland | Cast | Actress | Lady Netherbury | 3 |
 Liam Garrigan | Cast | Actor | Fletcher | 8 |
 Miles Jupp | Cast | Actor | Duke of Rochester | 8 |
 Sophie Winkleman | Cast | Actress | Duchess of Rochester | 8 |
 David Fynn | Cast | Actor | Ross | 8 |
 John Hollingworth | Cast | Actor | Dr Kerry | 1 |
Russell Watters | Cast | Actor | Workmen | 1 |
 Toby Regbo | Cast | Actor | Reverend James Trenchard | 8 |
 Lauren McQueen | Cast | Actress | Nell | 8 |
 Edward Bluemel | Cast | Actor | Dr. Stephen Ellerby | 7 |
 Benjamin Wainwright | Cast | Actor | Frederick Trenchard | 8 |
 Nicolas Van Beveren | Cast | Actor | Giovan-Lucca Nicoli | 3 |
 Timothy Allsop | Cast | Actor | Mr Taylor | 1 |
 Jordan Scowen | Cast | Robert | 3 | |
 Harriet Slater | Cast | Actress | Clara Trenchard | 8 |
 Luca Matteo Zizzari | Cast | Italian Artist | 1 | |
 Jayda Eyles | Cast | Actress | Amelia | 2 |
Patricia England | Cast | Actress | Miss Constance | 2 |
 Richard Goulding | Cast | Actor | Oliver Trenchard | 2 |
 Ellie Piercy | Cast | Actress | Mrs Enright | 3 |
 Hannah Onslow | Cast | Actress | Emily Dunn | 8 |
 Julie Barclay | Cast | Actress | Mrs Warren | 2 |
 Nenda Neururer | Cast | Actress | Annie Harper | 1 |
 Leonard Buckley | Cast | Actor | Richard Dearden | 1 |
| Person | Type | Job | Role(s) | Episodes |
