Enemy at the Door is a British television drama series made by London Weekend Television for ITV. The series was shown between 1978 and 1980 and dealt with the German occupation of Guernsey, one of the Channel Islands, during the Second World War. The programme generated a certain amount of criticism in Guernsey, particularly for being obviously filmed on Jersey despite being ostensibly set on Guernsey. The series also marked the television debut of Anthony Head as a member of the island resistance. The theme music was composed by Wilfred Josephs.

Anthony Stewart Head is an English actor and singer. Primarily a performer in musical theatre, he rose to fame in the UK in the 1980s following his role in the Gold Blend couple television advertisements for Nescafé, which led to major roles in several television series. He is best known for his roles as Rupert Giles in Buffy the Vampire Slayer (1997–2003), the Prime Minister in Little Britain (2003–2006), Uther Pendragon in Merlin (2008–2012), and Rupert Mannion in Ted Lasso (2020–2023), as well as voicing Herc Shipwright in BBC Radio 4's Cabin Pressure.