Tom Hopper

Tom Hopper is a British actor who portays the character of Percival in Merlin. His first appearance was in the final episode of Series 3, when his characer arrived with Lancelot just in time to save Arthur and Merlin from defeat. He was later knighted by Arthur before continuing to fight along side him in the re-taking of Camelot. .Percival returned in Series 4, now one of Arthur's best knights.

His other notable roles include playing Jeff "The good looking one" in the Doctor Who episode The Eleventh Hour, which introduced 11th Doctor Matt Smith. This makes him one of the many actors to have appeared in Doctor Who before appearing in Merlin; others include Anthony Head, Richard Wilson, Colin Morgan, Angel Coulby, Michelle Ryan, Sarah Parish and Miriam Margolyes.