Christopher Heyerdahl is a Canadian actor who has had roles in many television shows and movies. Heyerdahl is primarily known for his recurring role as "The Swede" in AMC's Hell on Wheels.
He played H. P. Lovecraft in the film Out of Mind: The Stories of H. P. Lovecraft (1998) and a punk, new at drug dealing, in Cadavres (2009). He had a role in the feature film New Moon, an adaptation of Stephenie Meyer's second book in her Twilight Saga. In this film, he played a vampire, Marcus, who is part of a powerful Italian family called the Volturi. He reprised that role in both parts of Breaking Dawn, the two part adaption of the fourth book in the Twilight Saga.