When Spencer attempts to kill them, the Doctor, Jamie and Samantha become convinced Chameleon Tours are hiding something and Samantha decides to book a ticket on one of their flights.
| Name | Type | Role | |
|---|---|---|---|
| David Ellis | Writer | ||
| Malcolm Hulke | Writer | ||
| Gilly Fraser | Guest Star | ||
| Brigit Paul | Guest Star | ||
| Madalena Nicol | Guest Star | ||
| Barry Wilsher | Guest Star | ||
| Michael Ladkin | Guest Star | ||
| Gerry Mill | Director |