| Name | Character | Episodes |
|---|---|---|
| Jeremy Irons | Frank Tregear | 26 |
| Derek Jacobi | 26 | |
| Anna Massey | 26 | |
| Martin Jarvis | 26 | |
| Stuart Wilson | 26 | |
| Terence Alexander | 26 | |
| Michael Cochrane | 26 | |
| Sarah Badel | 26 | |
| Susan Hampshire | 26 | |
| Anthony Andrews | 26 | |
| Caroline Mortimer | 26 | |
| Anna Carteret | 26 | |
| Brewster Mason | 26 | |
| Donal McCann | 26 | |
| Jo Kendall | 26 | |
| Roland Culver | 26 | |
| Philip Latham | 26 | |
| Derek Godfrey | 26 |