"Hammer into Anvil" is an episode of the allegorical British science fiction TV series The Prisoner. Written by Roger Woddis and directed by Pat Jackson, it was the twelfth episode produced. It was the tenth episode to be broadcast in the UK on ITV on Friday 1 December 1967 and first aired in the United States on CBS on Saturday 31 August 1968.

Patrick Cargill was an English actor remembered for his lead role in the British television sitcom Father, Dear Father.