With Gwen’s plant destroyed and on the cusp of ageing back, she and Sam race to find another plant.
| Name | Type | Role | |
|---|---|---|---|
| Glen Dolman | Writer | ||
| Usha Cornish | Guest Star | ||
| Martyn Jones | Guest Star | ||
| Keith Brockett | Guest Star | ||
| Jacob Mendoza Clarke | Guest Star | ||
| Dorothy Adams | Guest Star | ||
| Henry Strand | Guest Star | ||
| Belinda Totino | Guest Star | ||
| Amali Golden | Guest Star | ||
| Joan Reynolds | Guest Star | ||
| James Cerche | Guest Star | ||
| Felix Star Hoigson-McBrearty | Guest Star | ||
| Barry Withers | Guest Star | ||
| Felicity Steel | Guest Star | ||
| Thomas Ersatz | Guest Star | ||
| John Curran | Director |