England, the near future. The TARDIS materialises in a quarry and Sarah is trapped under a rockfall. But what is the origin of the fossilized hand she is found gripping? And who is the Eldrad she keeps mumbling about?
| Name | Type | Role | |
|---|---|---|---|
| Bob Baker, Dave Martin | Writer | ||
| Robin Hargrave | Guest Star | ||
| Renu Setna | Guest Star | ||
| David Purcell | Guest Star | ||
| Roy Pattison | Guest Star | ||
| Lennie Mayne | Director |