Meeting up at the pool, the Doctor leads the surviving Rezzies, Kangs and Caretakers as they draw the line together on the 245th floor against the systematic cleansing of all life by Kroagnon and his robotic Cleaners.
| Name | Type | Role | |
|---|---|---|---|
| Stephen Wyatt | Writer | ||
| Julie Brennon | Guest Star | ||
| Annabel Yuresha | Guest Star | ||
| Judy Cornwell | Guest Star | ||
| Richard Briers | Guest Star | ||
| Howard Cooke | Guest Star | ||
| Catherine Cusack | Guest Star | ||
| Nicholas Mallett | Director |