Simon Merrells is an English actor. He started his acting career performing on stage. He has also ventured into television acting. His initial roles were on the TV shows London’s Burning, Family Affairs, and Merseybeat. He then starred in the movie Invisible Eyes. In the 2010s, he played a supporting role in the film The Wolfman. He then became known for his role as Marcus Licinius Crassus in the American series Spartacus: War of the Damned. At the same time, he had a role in the movie Judas Ghost. He next portrayed The Founder in the US series The Tomorrow People. He now stars on the History Channel series Knightfall.