The Doctor is sentenced to a fight to the death in the pit with the King's champion, Grun. But the saboteur and killer is still at large.
| Name | Type | Role | |
|---|---|---|---|
| Brian Hayles | Writer | ||
| George Giles | Guest Star | ||
| Gordon St. Clair | Guest Star | ||
| Geoffrey Toone | Guest Star | ||
| Lennie Mayne | Director |