Robert Maillet

Robert Maillet (b. October 26, 1969) is a Canadian wrestler and actor who played the character Derian in the Series 4 episode His Father's Son of the BBC drama series, Merlin. He appeared in Sherlock Holmes as Dredger, Pacific Rim and The Mortal Instruments: City of Bones as Samuel Blackwell.

Trivia

 * He is the only Canadian actor to appear on Merlin.