7.5
150 min
In the 26th century, the Doctor and Jo uncover a plot by the Master to provoke an interplanetary war between Earth and Draconia.
| Name | Character | Team | |
|---|---|---|---|
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Jon Pertwee | The Doctor | Unowned |
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Katy Manning | Jo Grant | Unowned |
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Roger Delgado | The Master | Unowned |
| Vera Fusek | President of Earth | Unowned | |
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Michael Hawkins | General Williams | Unowned |
| Peter Birrel | Draconian Prince | Unowned | |
| Lawrence Davidson | Draconian First Secretary (uncredited) | Unowned | |
| Timothy Craven | Cell guard (uncredited) | Unowned | |
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Ray Lonnen | Gardiner | Unowned |
| Barry Ashton | Kemp | Unowned | |
| John Rees | Hardy | Unowned | |
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James Culliford | Stewart | Unowned |
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Louis Mahoney | Newscaster | Unowned |
| Roy Pattison | Draconian space pilot | Unowned | |
| Karol Hagar | Secretary | Unowned | |
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Harold Goldblatt | Professor Dale | Unowned |
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Madhav Sharma | Patel | Unowned |
| Dennis Bowen | Prison Governor | Unowned | |
| Richard Shaw | Cross | Unowned | |
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Luan Peters | Sheila | Unowned |
| Caroline Hunt | Technician | Unowned | |
| Bill Wilde | Draconian captain | Unowned | |
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John Woodnutt | Draconian Emperor | Unowned |
| Ian Frost | Draconian messenger | Unowned | |
| Clifford Elkin | Earth cruiser captain | Unowned | |
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Stephen Thorne | First Ogron | Unowned |
| Michael Kilgarriff | Second Ogron | Unowned | |
| Rick Lester | Third Ogron | Unowned | |
| Ramsay Williams | Congressman Brook | Unowned | |
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Michael Wisher | Dalek (voice) | Unowned |
| Stanley Price | Pilot | Unowned | |
| Laurence Harrington | Lunar guard | Unowned |