| Name | Character | Episodes |
|---|---|---|
| Carolyn Pickles | 13 | |
| Patrick O'Connell | 13 | |
| Ed Devereaux | 13 | |
| Susannah York | 13 | |
| Richard LeParmentier | 13 | |
| Lou Hirsch | 13 | |
| David Baxt | 13 | |
| Kathryn Pogson | 13 | |
| Patrick Pearson | 13 | |
| Ray Smith | 13 | |
| Natalie Ogle | 13 | |
| Ronald Hines | 13 | |
| John Arthur | 13 | |
| Greg Powell | 1st Seaman | 1 |