5.5
100 min
While investigating a vanishing Concorde at Heathrow Airport, the Doctor and his companions are thrown millions of years back in time, when a mysterious alien called Kalid is trying to control the ancient powers of the Xeraphin.
| Name | Character | Team | |
|---|---|---|---|
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Peter Davison | The Doctor | Unowned |
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Sarah Sutton | Nyssa | Unowned |
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Janet Fielding | Tegan Jovanka | Unowned |
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Anthony Ainley | The Master / Kalid | Unowned |
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Nigel Stock | Professor Hayter | Unowned |
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Richard Easton | Captain Stapley | Unowned |
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Keith Drinkel | Flight Engineer Scobie | Unowned |
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Michael Cashman | First Officer Bilton | Unowned |
| John Flint | Captain Urquhart | Unowned | |
| Judith Byfield | Angela Clifford | Unowned | |
| Peter Dahlsen | Horton | Unowned | |
| Brian McDermott | Sheard | Unowned | |
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Peter Cellier | Andrews | Unowned |
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Matthew Waterhouse | Adric | Unowned |
| Hugh Hayes | Anithon | Unowned | |
| André Winterton | Zarak | Unowned | |
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Graham Cole | Melkur | Unowned |