Merlin is a British fantasy-adventure drama television programme, loosely based on the Arthurian legends regarding the close relations of Merlin and King Arthur. Created by Julian Jones, Jake Michie, Johnny Capps and Julian Murphy for the BBC, it was broadcast for five series on BBC One between 20 September 2008 and 24 December 2012. The programme starred Colin Morgan, Bradley James, Katie McGrath, Angel Coulby, Richard Wilson, Anthony Head, and John Hurt.

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.