Our gamble is over, Dalhousie. You'll walk at dawn tomorrow as agreed, but in case you've no mind to return, there's one fact might persuade you. On what you do hangs not only your life but hers .
| Actor | Role |
|---|---|
 Brian CoxDalhousie | Dalhousie |
 Anthony BateCapt. Dove | Capt. Dove |
| RRalph ArlissPatrick | Patrick |
| BBill GavinDr Halliday | Dr Halliday |
| IIain AndrewIsaac | Isaac |
 Anne RaittSarah | Sarah |