About
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. Heyerdahl is primarily known for his recurring role as the enigmatic and sinister "Swede" in AMC's Hell on Wheels. This post-American Civil War drama debuted as the second highest rated original series in AMC history. He is also known for his role as Leonid in the Are You Afraid of the Dark? episode "The Thirteenth Floor" and as Nosferatu in the episode "Midnight Madness". He played the characters Halling and Wraith...
Known for
SupernaturalSeries • 2005
CSI: Crime Scene InvestigationSeries • 2000
SmallvilleSeries • 2001
Stargate SG-1Series • 1997
CastleSeries • 2009
ArrowSeries • 2012
PsychSeries • 2006
GothamSeries • 2014
Murdoch MysteriesSeries • 2008
Stargate AtlantisSeries • 2004
True BloodSeries • 2008
ScorpionSeries • 2014
Star Trek: DiscoverySeries • 2017
The Last of UsSeries • 2023
MacGyverSeries • 2016
PeacemakerSeries • 2022
21 Jump StreetSeries • 1987
AndromedaSeries • 2000
Monarch: Legacy of MonstersSeries • 2023
Are You Afraid of the Dark?Series • 1992
The Dead ZoneSeries • 2002
La Femme NikitaSeries • 1997
Falling SkiesSeries • 2011
12 MonkeysSeries • 2015