When the gift runs riot, Sarah Jane faces the battle of her life to save Luke.
| Name | Type | Role | |
|---|---|---|---|
| Rupert Laight | Writer | ||
| Nick Williams | Guest Star | Reporter | |
| Simon Callow | Guest Star | Voice of Tree Blathereen | |
| Paul Kasey | Guest Star | Leef Blathereen | |
| Ruari Mears | Guest Star | Tree Blathereen | |
| Sarah Paul | Guest Star | Miss Jerome | |
| Miriam Margolyes | Guest Star | Voice of Leef Blathereen | |
| Alice Troughton | Director |