The Doctor, Jo and the Master are taken to Draconia, where the Doctor tries to convince the Draconians of the truth.
| Name | Type | Role | |
|---|---|---|---|
| Malcolm Hulke | Writer | ||
| Clifford Elkin | Guest Star | ||
| Ian Frost | Guest Star | ||
| Bill Wilde | Guest Star | ||
| Peter Birrel | Guest Star | ||
| Paul Bernard | Director |