to be added
- Eighth Doctor
- Uther Pendragon
- Arthur Pendragon
- Igerna's husband was Gorlois, Duke of Cornwall.
- The Doctor mentions Julius Caesar.
- Merlin mentions the Round Table and Camelot.
- The Doctor claims that his new look is supposed to be Byron-esque.
- The Doctor compares Ancelyn's name to Lancelot.
- This story is both a prequel and a sequel to the television story Battlefield.