| Name | Character | Episodes |
|---|---|---|
| Hayley Atwell | Cat Fedden | 3 |
| Dan Stevens | Nick Guest | 3 |
| Tim McInnerny | Gerald Fedden | 3 |
| Lydia Leonard | Penny Kent | 3 |
| Alice Krige | Rachel Fedden | 3 |
| Christopher Fairbank | Barry Groom | 3 |
| Don Gilet | Leo Charles | 3 |
| James Bradshaw | Polly Tompkins | 3 |
| Carmen du Sautoy | Elena | 3 |
| Alex Wyndham | Wani Ouradi | 3 |
| Oliver Coleman | Toby Fedden | 3 |
| David Yelland | John Timms | 2 |
| Caroline Blakiston | Lady Partridge | 2 |
| John Standing | Lord Kessler | 2 |
| Bruno Lastra | Tristao | 2 |
| Nikki Amuka-Bird | Rosemary Charles | 2 |
| Julia St. John | Greta Timms | 2 |
| Justin Salinger | Russell | 2 |
| Tom Knight | Norman Kent | 2 |
| John Warnaby | Badger | 2 |
| Oscar James | Brentford | 2 |
| Joseph Morgan | Jasper | 1 |
| Floella Benjamin | Mrs Charles | 1 |
| Barbara Flynn | Sally Tipper | 1 |
| Kenneth Cranham | Sir Maurice Tipper | 1 |
| Kika Markham | Mrs. Thatcher | 1 |
| Georgie Glen | Eileen | 1 |
| Andy Lucas | Bertrand Ouradi | 1 |
| Adam Rayner | Ricky | 1 |
| Richard Lintern | Pete Mawson | 1 |
| Jessica Turner | Dot Guest | 1 |
| Garrick Hagon | Morden Lipscome | 1 |
| Stephen Hogan | Newsreader | 1 |
| Trevor White | Brad | 1 |
| Tracy Wiles | Pressmen | 1 |
| Albert Welling | Denis Guest | 1 |
| Elize du Toit | Sophie Tipper | 1 |
| Virgile Bramly | Spaniard | 1 |
| Des Hamilton | Delivery man | 1 |
| Michael N. Harbour | Mayor | 1 |
| Lee Long | Youth | 1 |
| Luis Soto | Fabio | 1 |
| Kika Markham | Margaret Thatcher | 0 |