Doctor Who: The Ambassadors of Death (1970)

Science Fiction
Drama
Adventure

Astronauts rescued from a mission to mars are kidnapped when they arrive back on earth. They seem to have been irradiated, and can now kill people merely by touching them. But the Doctor discovers the astronauts have been replaced with Alien ambassadors who are being forced to behave in a hostile manner. With The Doctor traveling to the alien mother ship, and Liz kidnapped, The Brigadier is left wondering who to trust.

Cast

The Doctor
Van Lyden / Alien Ambassador
Control Room Assistant
Corporal Champion
UNIT Sergeant
Alien Ambassador / Lefee
Brigadier Lethbridge-Stewart
Alien Ambassador / Michaels
UNIT Soldier
Sergeant Benton
Private Parker
Control Room Assistant
Control Room Assistant
Technician
Alien Space Captain
Ralph Cornish
Aliens' Voices
Private Johnson
Carrington
John Wakefield
Miss Rutherford

Crew

Producer