Kieron Moore: best known as the blind hero in ‘The Day of the Triffids’ (1962), as Ephialtes in ‘The 300 Spartans’ (1962), and as a commando in ‘The Heroes of Telemark’ (1965).
Films
- The Heroes of TelemarkErik1965
- The Day of the TriffidsBill Masen1962
- The 300 SpartansEphialtes1962
- The League of GentlemenStevens1960
- The Green ScarfJacques Vauthier1954
- MantrapJohnny1953
- The Steel KeyTerry O’Keefe1953
- The Clouded YellowDavid Somers1950
- Anna KareninaVronsky’s brother1948
- A Man About the HouseYoung man1947
TV shows
- The SaintDr. John Bannister1967
- The PrisonerThe New Number Two1967
- Danger ManMajor Paul Dorn1965
- The AvengersDr. James Broom1964
- The Third ManHarry Lime1960
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About Kieron Moore
Kieron Moore (1924–2007) was an Irish-born British actor who appeared in numerous films and television series from the 1940s to the 1970s. He often played heroic or villainous roles in war films, historical epics, and science fiction, with a notable lead in the classic ‘The Day of the Triffids’.
FAQs
What is Kieron Moore’s most famous film role?
He is best remembered for playing Bill Masen, the blind hero in the 1962 science-fiction film ‘The Day of the Triffids’.
Did Kieron Moore appear in any classic TV series?
Yes, he guest-starred in ‘The Prisoner’ (as the New Number Two), ‘The Avengers’, ‘Danger Man’, and ‘The Saint’.
Was Kieron Moore in any historical epics?
He played the traitor Ephialtes in ‘The 300 Spartans’ (1962) and appeared in ‘The Heroes of Telemark’ (1965) about the Norwegian heavy water sabotage.
When did Kieron Moore start his acting career?
He began in the late 1940s, with his first film credit in ‘A Man About the House’ (1947).
Is Kieron Moore related to any other actors?
No, he was not related to any other notable actors; his birth name was Kieron O’Hanrahan.
Sources & where to watch: IMDb · Wikipedia · Where to watch (JustWatch UK) · Updated June 2026