Luke Neal

Luke Neal portrayed Sir Geraint in The Curse of Cornelius Sigan. His character, Sir Geraint was introduced as Arthur's second-in-command. He's a figure from Arthurian Legend, is given a prominent speaking-part, and had several promotional shots taken of him. He's never seen again, and his role is taken over by Sir Leon, who makes his first appearance in the next episode.

The reasons for his one-off appearance are unknown.

Neal also performed for the Royal Shakespeare Company in Stratford Upon-Avon, London and the USA. He has played a role in the TV Series Doctors (2011), Spooks (2011), Scott & Bailey (2011), and Doc Martin (2009), to list a few.