With the crystal of Kronos in his possession, the Master prepares to release the Chronovore. The Doctor is powerless to stop his nemesis as the end of Atlantis approaches.
| Name | Type | Role | |
|---|---|---|---|
| Robert Sloman, Barry Letts | Writer | ||
| Michael Walker | Guest Star | ||
| Marc Boyle | Guest Star | ||
| David Prowse | Guest Star | ||
| George Cormack | Guest Star | ||
| Ingrid Bower | Guest Star | ||
| Derek Murcott | Guest Star | ||
| Aidan Murphy | Guest Star | ||
| Susan Penhaligon | Guest Star | ||
| Paul Bernard | Director |