Arriving in Atlantis, the Master seduces the beautiful Queen Galleia so that he might possess the crystal of Kronos. But it is protected by a guardian who is half man, half beast.
| Name | Type | Role | |
|---|---|---|---|
| Robert Sloman, Barry Letts | Writer | ||
| Michael Walker | Guest Star | ||
| Aidan Murphy | Guest Star | ||
| George Cormack | Guest Star | ||
| Derek Murcott | Guest Star | ||
| Susan Penhaligon | Guest Star | ||
| Paul Bernard | Director |