No one can defend the earth forever, but who could ever replace Sarah Jane?
| Name | Type | Role | |
|---|---|---|---|
| Clayton Hickman | Writer | ||
| Gareth Roberts | Writer | ||
| Julie Graham | Guest Star | Ruby White | |
| Eddie Marsan | Guest Star | Mr White | |
| Mina Anwar | Guest Star | Gita Chandra | |
| Ace Bhatti | Guest Star | Haresh Chandra | |
| Joss Agnew | Director |