The Doctor and Harry head to the Kaled city to alert the authorities to Davros' plans while Sarah Jane and Sevrin are forced to work on the completion of the Thals' rocket.
| Name | Type | Role | |
|---|---|---|---|
| Terry Nation | Writer | ||
| Richard Reeves | Guest Star | ||
| Hilary Minster | Guest Star | ||
| Guy Siner | Guest Star | ||
| Michael Lynch | Guest Star | ||
| Ivor Roberts | Guest Star | ||
| James Garbutt | Guest Star | ||
| David Maloney | Director |