| Name | Character | Episodes |
|---|---|---|
| Martin Jarvis | Nicholas Nickleby | 13 |
| Derek Francis | 11 | |
| Ronald Radd | 7 | |
| Terence Alexander | 5 | |
| Geoffrey Bayldon | 4 | |
| Paul Shelley | 4 | |
| Mary Healey | 2 | |
| Julian Curry | 2 | |
| Rosalind Knight | 2 | |
| Sheila Keith | 2 | |
| Maggie Jones | 2 | |
| Roland MacLeod | 2 | |
| Roy Kinnear | 2 | |
| Sydney Bromley | 1 | |
| Roger Brierley | 1 | |
| Henry Oscar | 1 | |
| Stella Tanner | 1 | |
| John Gugolka | Bolder | 1 |