| Name | Character | Episodes |
|---|---|---|
| John Hurt | Alan Clark | 6 |
| Jenny Agutter | Jane Clark | 6 |
| Hugh Fraser | 4 | |
| Nicholas Jones | 3 | |
| Jeremy Clyde | 3 | |
| Peter Blythe | 3 | |
| Louise Gold | 3 | |
| Julia Davis | 2 | |
| Julian Wadham | 2 | |
| Eric Richard | 2 | |
| Paul Brooke | 1 | |
| Julian Firth | 1 | |
| Jan Francis | 1 | |
| Jeremy Swift | 1 | |
| Timothy West | 1 | |
| Victoria Smurfit | 1 |