| Dan Stevens | ... | Nick Guest | |
| Oliver Coleman | ... | Toby Fedden | |
| Carmen Du Sautoy | ... | Elena | |
| Tim McInnerny | ... | Gerald Fedden | |
| Alice Krige | ... | Rachel Fedden | |
| Hayley Atwell | ... | Catherine Fedden | |
| Oscar James | ... | Brentford | |
| Don Gilet | ... | Leo Charles | |
| John Quayle | ... | Geoffrey Titchfield | |
| John Standing | ... | Lord Kessler | |
| Justin Salinger | ... | Russel | |
| James Bradshaw | ... | Polly Tompkins | |
| Bruno Lastra | ... | Tristao | |
| Alex Wyndham | ... | Wani Ouradi | |
| Siri Svegler | ... | Martine | |
| Elize du Toit | ... | Sophie Tipper (as Elize Du Toit) | |
| Robin Kermode | ... | Pat Grayson | |
| Caroline Blakiston | ... | Lady Partridge | |
| Christopher Fairbank | ... | Barry Groom | |
| Richard Lintern | ... | Pete Mawson | |
| John Warnaby | ... | Badger | |
| David Yelland | ... | John Timms | |
| Julia St. John | ... | Greta Timms | |
| Garrick Hagon | ... | Morden Lipscome | |
| Lydia Leonard | ... | Penny Kent | |
| Tom Knight | ... | Norman Kent | |
| Nikki Amuka-Bird | ... | Rosemary Charles | |
| Floella Benjamin | ... | Mrs. Charles |
| Episode Crew |
Directed by | |||
| Saul Dibb | |||
Writing credits | ||
| Alan Hollinghurst | (novel) | |
| Andrew Davies | (adaptation) | |
Produced by | |||
| Kate Lewis | .... | producer | |
| Laura Mackie | .... | executive producer | |
| Carmel Maloney | .... | line producer | |
| Hilary Salmon | .... | executive producer | |
Original Music by | |||
| Martin Phipps | |||
Cinematography by | |||
| David Odd | |||
Film Editing by | |||
| Tania Reddin | |||
Casting by | |||
| Kate Rhodes James | |||
Production Design by | |||
| Melanie Allen | |||
Art Direction by | |||
| Andrea Coathupe | |||
Costume Design by | |||
| James Keast | |||
Makeup Department | |||
| Kay Bilk | .... | hair stylist | |
| Kay Bilk | .... | makeup artist | |
| Natalie Pateman | .... | hair stylist | |
| Natalie Pateman | .... | makeup artist | |
| Christine Walmesley-Cotham | .... | hair designer | |
| Christine Walmesley-Cotham | .... | makeup designer | |
| Kelly Willis | .... | hair & makeup trainee (uncredited) | |
Production Management | |||
| Laura Riseam | .... | unit manager | |
Second Unit Director or Assistant Director | |||
| Lydia Currie | .... | first assistant director | |
| Jennie Fava | .... | second assistant director | |
| Billy Pegg | .... | third assistant director | |
Art Department | |||
| Ben Bagley | .... | stand-by props | |
| Jim Booth | .... | stand-by carpenter | |
| Amy Dewar | .... | assistant buyer | |
| Gill Farr | .... | production buyer | |
| Dave Fox | .... | stand-by rigger | |
| Neil McAllister | .... | stand-by art director | |
| Mark Papworth | .... | stand-by props | |
| Steve Register | .... | property master | |
| Toby Riches | .... | prop hand | |
| James Rutter | .... | art department assistant | |
| Ricky Vivian | .... | prop hand | |
| Hannah Capron | .... | graphic artist: newspapers (uncredited) | |
| Martin Kane | .... | props (uncredited) | |
Sound Department | |||
| Albert Bailey | .... | sound recordist | |
| Antonia Bates | .... | dialogue editor | |
| Karima Benchemakh | .... | assistant sound (as Karina Benchmakh) | |
| Richard Davey | .... | dubbing mixer | |
| St. Clair Davis | .... | sound maintenance | |
| Jack Gillies | .... | sound editor | |
| Anna Bertmark | .... | assistant sound editor (uncredited) | |
| James Hamilton | .... | foley recordist (uncredited) | |
| Jonathan Rimas | .... | adr mixer (uncredited) | |
| Jessie Taylor | .... | assistant sound re-recording mixer (uncredited) | |
| Chris Treble | .... | foley editor (uncredited) | |
Camera and Electrical Department | |||
| Nick Briggs | .... | still photographer | |
| Geoff Burden | .... | best boy | |
| David Carey | .... | Steadicam operator | |
| Saul Harris | .... | electrician | |
| Adrienne Hayward | .... | camera assistant | |
| Dermot Hickey | .... | focus puller | |
| Rupert Lloyd-Parry | .... | grip (as Rupert Lloyd Parry) | |
| Carl McGillivray | .... | generator operator (as Carl McGillivra) | |
| Chris Samworth | .... | clapper loader | |
| Tim Wiley | .... | gaffer | |
Casting Department | |||
| Andy Morgan | .... | casting associate (uncredited) | |
Costume and Wardrobe Department | |||
| David Allen | .... | dresser | |
| Lorraine Boyle | .... | dresser | |
| Emma Moore | .... | costume assistant | |
| Sarah Moore | .... | wardrobe supervisor | |
Editorial Department | |||
| Kevin Horsewood | .... | colorist | |
| Selina Jones | .... | assistant editor | |
Transportation Department | |||
| Ben Dillon | .... | action vehicle coordinator (uncredited) | |
Other crew | |||
| Emily Chittell | .... | floor runner | |
| Sam Donovan | .... | script supervisor | |
| Katrina Fletcher | .... | assistant location manager | |
| Alex Gill | .... | picture publicist | |
| Neil Jones | .... | production accountant | |
| Howard Kingston | .... | production executive | |
| Kathleen McLynn | .... | assistant to producers | |
| Tania Neumann | .... | production secretary | |
| Michelle Osborn | .... | publicist | |
| Kevin Proctor | .... | production runner | |
| Thalia Reynolds | .... | artists contracts | |
| Patrick Schweitzer | .... | location manager | |
| Kate Thornton | .... | production coordinator | |
| Ellie Wood | .... | script editor | |
| Denis Wray | .... | assistant production accountant | |
| Tim Desbois | .... | aerial coordinator (uncredited) | |
| Main series | Episode guide | Full cast and crew |
| External reviews | IMDb TV section | IMDb Drama section |