The Doctor has won his fight in the Matrix and revealed the assassin. But the Master is not defeated and sets a plan in motion that could destroy the Time Lords.
| Name | Type | Role | |
|---|---|---|---|
| Robert Holmes | Writer | ||
| Peter Pratt | Guest Star | ||
| Derek Seaton | Guest Star | ||
| Helen Blatch | Guest Star | ||
| David Maloney | Director |