Sarah Jane and the others infiltrate Trueman's circle as he takes over the population through their star signs.
| Name | Type | Role | |
|---|---|---|---|
| Gareth Roberts | Writer | ||
| Nicholas Osmond | Guest Star | George | |
| Carryl Thomas | Guest Star | Cheryl Farley | |
| Sagar Arya | Guest Star | British Newsreader | |
| Ace Bhatti | Guest Star | Haresh Chandra | |
| Anthony Debaeck | Guest Star | French Newsreader | |
| Mina Anwar | Guest Star | Gita Chandra | |
| Lachele Carl | Guest Star | Trinity Wells | |
| Joanna Bending | Guest Star | Linda | |
| Ed Hughes | Guest Star | Stuart Farley | |
| Russ Abbott | Guest Star | Martin Trueman | |
| Michael Kerrigan | Director |