The Ambassadors of Death

053 – *The Ambassadors of Death*
053 – The Ambassadors of Death
Doctor Who serial
Cast
	Doctor Jon Pertwee – Third Doctor;
	Companion Caroline John – Liz Shaw;
	Others Nicholas Courtney – Brigadier Lethbridge-Stewart; John Levene – Sergeant Benton; John Abineri – General Carrington; Ronald Allen – Ralph Cornish; Robert Cawdron – Bruno Taltalian; Cheryl Molineaux – Miss Rutherford; Robert Robertson – Collinson; Ray Armstrong – Grey; Dallas Cavell – Sir James Quinlan; Michael Wisher – John Wakefield; William Dysart – Reegan; Cyril Shaps – Lennox; Juan Moreno – Dobson; Gordon Sterne – Heldorf; John Lord – Masters; Tony Harwood – Flynn; Roy Scammell – Technician; Bernard Martin, Joanna Ross, Carl Conway – Control Room Assistants; Derek Ware – UNIT Sergeant; James Haswell – Corporal Champion; James Clayton – Private Parker; Geoffrey Beevers – Private Johnson; Max Faulkner – UNIT Soldier; Peter Halliday – Alien Voices; Peter Noel Cook – Alien Space Captain; Ric Felgate – Van Lyden/Ambassador; Steve Peters – Lefee/Ambassador; Neville Simons – Michaels/Ambassador;
Production
Directed by	Michael Ferguson
Written by	David Whitaker; Trevor Ray (episode 1, uncredited); Malcolm Hulke (episodes 2–7, uncredited)
Script editor	Terrance Dicks
Produced by	Barry Letts
Music by	Dudley Simpson
Production code	CCC
Series	Season 7
Running time	7 episodes, 25 minutes each
First broadcast	21 March 1970
Last broadcast	2 May 1970
Chronology
← Preceded by; Doctor Who and the Silurians	Followed by →; Inferno
	List of episodes (1963–1989)

The Ambassadors of Death is the third serial of the seventh season of the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts on BBC1 from 21 March to 2 May 1970. The serial's script was credited to David Whitaker but completed primarily by Malcolm Hulke and Trevor Ray. It was directed by Michael Ferguson.

The serial is set in London, Hertfordshire and the Earth's orbit. In the serial, the alien time traveller the Third Doctor (Jon Pertwee) and the international organisation UNIT investigate the disappearance of astronauts who have lost contact with Earth. They become involved in a conspiracy and meet alien ambassadors who have arrived on Earth.