The Doctor and Polly manage to save Jamie from the Macra, but can they convince the Pilot on who is really in charge of the colony?
| Name | Type | Role | |
|---|---|---|---|
| Ian Stuart Black | Writer | ||
| Danny Rae | Guest Star | ||
| Jane Enshawe | Guest Star | ||
| Roger Jerome | Guest Star | ||
| Karol Keyes | Guest Star | ||
| Maureen Lane | Guest Star | ||
| Steve Emerson | Guest Star | ||
| Terry Wright | Guest Star | ||
| John Howard Davies | Director |