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Christopher Heyerdahl
Acting
Christopher Heyerdahl (born September 18, 1963) is a Canadian actor who portrayed Alastair in Supernatural, the Wraith Todd in Stargate Atlantis, Sam in Van Helsing, "Swede" in Hell on Wheels, and Marcus in The Twilight Saga.
Heyerdahl was born in British Columbia, and is of Norwegian and Scottish descent. His father emigrated from Norway to Canada in the 1950s. Thor Heyerdahl was his father's cousin. Heyerdahl also speaks Norwegian and studied at the University of Oslo.
Known For
Supernatural
2005
CSI: Crime Scene Investigation
2000
Smallville
2001
Stargate SG-1
1997
Arrow
2012
Castle
2009
Monarch: Legacy of Monsters
2023
Gotham
2014
Psych
2006
Stargate Atlantis
2004
Stargate Atlantis
2004
Stargate Atlantis
2004
Scorpion
2014
Star Trek: Discovery
2017
Murdoch Mysteries
2008
True Blood
2008
Dark Winds
2022
The Last of Us
2023
Andromeda
2000
Peacemaker
2022
MacGyver
2016
21 Jump Street
1987
Messiah
2020
The Dead Zone
2002
Falling Skies
2011
Nikita
2010
12 Monkeys
2015
Hell on Wheels
2011
Van Helsing
2016
The Librarians
2014