After 15 years in HM Prisons, Emerson just wants to keep his nose clean and get out. Working on the Stone Age fort keeps him away from trouble, but there are other problems apart from the weather
| Actor | Role |
|---|---|
 Peter VaughanEmerson | Emerson |
 David CollingsLacey | Lacey |
 Alun ArmstrongQuinn | Quinn |
 Jon MorrisonCandy | Candy |
| PPeter KinleyFitz | Fitz |
 Frank MillsHughes | Hughes |
 Bill DeanSid | Sid |