YMMV / Doomwatch

• Hilarious in Hindsight: Robert Powell's character dies in the service of saving millions, not unlike a certain religious figure that he would become famous for playing years later.
• Retroactive Recognition:
  • Jonathan Pryce made his screen debut as a police constable in the Missing Episode "Fire and Brimstone" in order to get his Equity card.
  • Michael Keating (Vila in Blake's 7) plays Stephen Grigg in "Enquiry".
  • Sandy Larch from "Invasion" is played by Arthur Brough, who would later be best known for playing Mr. Grainger in Are You Being Served?.
  • Arnold McPherson from "By the Pricking of My Thumbs..." is played by David Janson, who would later be best known for playing Ken Richardson in Get Some In!, Michael the postman in Keeping Up Appearances, and the second Herr Flick in 'Allo 'Allo!.
  • George Mason from "The Iron Doctor" is played by Harold Bennett, who would later be best known for playing Young Mr. Grace in Are You Being Served?.
  • Mr. Hetherington from "The Human Time Bomb" and Prisoner Warren from "Fire and Brimstone" are played by Talfryn Thomas, who would later be best known for playing Private Cheeseman in Dad's Army.
  • Dr. Lewis from "Public Enemy" is played by Trevor Bannister, who would later be best known for playing Mr. Lucas in Are You Being Served?.

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