The Doctor is reunited with Barbara at the prison and arranges for her to escape, but Susan remains behind bars. Jules rescues Ian, killing Leon in the process.
| Name | Type | Role | |
|---|---|---|---|
| Dennis Spooner | Writer | ||
| Keith Anderson | Guest Star | ||
| Terry Bale | Guest Star | ||
| Donald Morley | Guest Star | ||
| Jack Cunningham | Guest Star | ||
| Edward Brayshaw | Guest Star | ||
| James Cairncross | Guest Star | ||
| Henric Hirsch | Director |