Now President of Gallifrey, the Doctor puts a plan motion to apparent betray his people to an alien menace.
| Name | Type | Role | |
|---|---|---|---|
| Anthony Read | Writer | ||
| Graham Williams | Writer | ||
| Christopher Christou | Guest Star | ||
| Stan McGowan | Guest Star | Vardan (voice) | |
| Hilary Ryan | Guest Star | ||
| Dennis Edwards | Guest Star | ||
| Gerald Blake | Director |