| Name | Character | Episodes |
|---|---|---|
| Patrick Troughton | 12 | |
| Gregor Fisher | 12 | |
| Diane Keen | 12 | |
| Alan David | Tancred Taylour | 12 |
| Milton Johns | 12 | |
| Geoffrey Burridge | 12 |
| Name | Character | Episodes |
|---|---|---|
| Patrick Troughton | 12 | |
| Gregor Fisher | 12 | |
| Diane Keen | 12 | |
| Alan David | Tancred Taylour | 12 |
| Milton Johns | 12 | |
| Geoffrey Burridge | 12 |