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.
Starring
Peter Davison
The Doctor
Sarah Sutton
Nyssa
Janet Fielding
Tegan Jovanka
Anthony Ainley
The Master / Kalid
👤
Nigel Stock
Professor Hayter
Richard Easton
Captain Stapley
Keith Drinkel
Flight Engineer Scobie
Michael Cashman
First Officer Bilton
👤
John Flint
Captain Urquhart
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Judith Byfield
Angela Clifford
👤
Peter Dahlsen
Horton
👤
Brian McDermott
Sheard
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