Companions
Brigadier Alistair Gordon Lethbridge-Stewart played by Nicholas Courtney

Nicholas Courtney as Brigadier Alistair Gordon Lethbridge-Stewart
First regular appearance: The Web Of Fear
Last regular appearance: Terror Of The Zygons

Brigadier Alistair Gordon Lethbridge-Stewart has also appeared in:
Nicholas Courtney has also appeared in:

Irregular as a regular, he appeared as part of UNIT for William Hartnell,Patrick Troughton, Jon Pertwee, Tom Baker and Sylvester McCoy. He also appeared alongside Peter Davison as a schoolmaster.

The Brigadier (promoted from Colonel) was never really a travelling companion of the Doctor's. His first journey using the TARDIS took place during the Three Doctors. He was assigned to help fight the Yeti in the London Underground, and for his effort was promoted to Brigadier and assigned command of UNIT, the United Nations Intelligence Taskforce. His appearances were primarily Earth based, although from Earth he did get to fight most menaces, including Daleks, Cybermen, and Yeti. He witnessed Jon Pertwee's regeneration into Tom Baker. He has seen/met almost every Doctor (he has met the Sixth Doctor in books and the Eighth Doctor in Audio)

Brigadier Alistair Gordon Lethbridge-Stewart has met these regenerations of the Doctor:
Family:
  • Wife Doris
  • Daughter Kate
Home:
  • London, Earth (20th century)