The situation on Androzani Minor is building toward a violent confrontation. And the Doctor and Peri are slowly succumbing to spectrox toxemia.
| Name | Type | Role | |
|---|---|---|---|
| Robert Holmes | Writer | ||
| David Neal | Guest Star | ||
| Martin Cochrane | Guest Star | ||
| Robert Glenister | Guest Star | ||
| Roy Holder | Guest Star | ||
| Maurice Roëves | Guest Star | ||
| Barbara Kinghorn | Guest Star | ||
| Christopher Gable | Guest Star | ||
| Graeme Harper | Director |