Barbara is sold as a slave and Ian is to be trained as a gladiator. The Doctor and Vicki arrive at the Emperor's court with the Doctor still masquerading as Maximus Pettulian.
| Name | Type | Role | |
|---|---|---|---|
| Dennis Spooner | Writer | ||
| Derek Sydney | Guest Star | ||
| Tony Lambden | Guest Star | ||
| Brian Proudfoot | Guest Star | ||
| Ernest Jennings | Guest Star | ||
| Derek Francis | Guest Star | ||
| Michael Peake | Guest Star | ||
| Dorothy-Rose Gribble | Guest Star | ||
| Christopher Barry | Director |