"doctor Who" The Ambassadors Of Death: - Episode ...

: Primarily credited to David Whitaker , though the final script was heavily rewritten by Malcolm Hulke , Trevor Ray , and Terrance Dicks .

: Includes Jon Pertwee (The Doctor), Nicholas Courtney (Brigadier Lethbridge-Stewart), and Caroline John (Liz Shaw). "Doctor Who" The Ambassadors of Death: Episode ...

: A recovery mission, Recovery 7 , returns to Earth, but the occupants are kidnapped by criminals led by Reegan . It is discovered that the "astronauts" are actually radiation-dependent alien ambassadors who swapped places with the humans. : Primarily credited to David Whitaker , though

: The kidnapping is orchestrated by General Carrington , a xenophobic ex-astronaut who intends to use the ambassadors to incite a war against their kind. : Primarily credited to David Whitaker