Christopher Heyerdahl

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.

Supernatural · S4, E15

Death Takes a Holiday

Sam and Dean investigate a town where people are cheating death and discover that the Reapers have gone missing.
Supernatural · S4, E16

On the Head of a Pin

Castiel and Uriel ask Dean to use the torturing skills he learned in hell to extract information from Alastair; Dean's world is shattered when Alastair reveals shocking information.
True Blood · S5, E5

Let's Boot and Rally

Eric and Bill enlist the help of Sookie and Alcide in their continued search for Russell, but Doug is the only one who can lead them to him; Terry and Richard are taken captive by a former army acquaintance.
Castle · S5, E16

Hunt (2)

When the FBI fails to get his daughter back, Castle takes matters into his own hands, reaching out to a shadowy fixer to help him recover Alexis.
Smallville · S7, E8

8. Blue

Clark meets his biological mother for the first time; Chloe and Lex discover that Lois and Grant have been seeing each other.
Smallville · S7, E6

6. Lara

Kara, sedated by a truth serum, relives a prior trip to Earth, when she followed Clark's biological mother to the Kent farm.

Christopher Heyerdahl

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Guest Appearances

Credited For