The King's sister befriends the Doctor and Vicki and solicits the Doctor's help in discovering what plans her brother has. Barbara finds shelter, but El Akir's men are closing in. Vintage sci fi taking us on adventures in time and space, reflecting the broadcast standards and attitudes of its time.
| Name | Type | Role | |
|---|---|---|---|
| David Whitaker | Writer | ||
| Reg Pritchard | Guest Star | ||
| Petra Markham | Guest Star | ||
| John Bay | Guest Star | ||
| Robert Lankesheer | Guest Star | ||
| George Little | Guest Star | ||
| David Brewster | Guest Star | ||
| Chris Konyils | Guest Star | ||
| Raymond Novak | Guest Star | ||
| Roger Avon | Guest Star | ||
| Anthony Colby | Guest Star | ||
| Douglas Camfield | Director |