
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. 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 commander Todd in Stargate Atlantis, and Pallan in the Stargate SG-1 episode "Revisions".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 played the part of the demon Alastair in three episodes of Supernatural. He also played the part of Zor-El in the television series Smallville, as well as playing John Druitt and Bigfoot in the series Sanctuary. He played the part of Dieter Braun on True Blood during the show's 5th season. His most notable film role was 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 adaptation of the fourth book in the Twilight Saga. He has also performed on stage and was a member of the Young Company at the Stratford Festival in 1989 and 1990.
45 TV shows
TV Shows

Supernatural
The WB

CSI: Crime Scene Investigation
CBS

Smallville
The WB

Stargate SG-1
Showtime

Castle
ABC

Arrow
The CW

Monarch: Legacy of Monsters
Apple TV

Gotham
FOX

Psych
USA Network

The Last of Us
HBO

Star Trek: Discovery
CBS All Access

True Blood
HBO

Murdoch Mysteries
CBC Television

Peacemaker
HBO Max

MacGyver
CBS

Nikita
The CW

Van Helsing
Syfy

Hell on Wheels
AMC

21 Jump Street
FOX

Andromeda
Syfy

The Dead Zone
USA Network

Falling Skies
TNT

The Librarians
TNT

Masters of Horror
Showtime

12 Monkeys
Syfy

R. L. Stine's The Haunting Hour
Hub Network

Dark Winds
AMC

Sanctuary
Syfy

La Femme Nikita
USA Network

Beauty and the Beast
The CW

Them
Prime Video

Human Target
FOX

Billy the Kid
Epix

Project Blue Book
History

The Hunger
Showtime

John Doe
FOX

Deadly Class
Syfy

Under the Banner of Heaven
Hulu

Into the West
TNT

Messiah
Netflix

Tin Star
Sky Atlantic

Midnight, Texas
NBC

50 States of Fright
Quibi

The Collector
Space

Chapelwaite
Epix
Other Credits
Stargate Atlantis, Minority Report, The InBetween, Are You Afraid of the Dark?, The Player, Pure, Dig, Life As We Know It, Mirador, Girlfriends' Guide to Divorce, Bullet in the Face, Whistler, Rush, Vegas, Saved, Smallville: Chloe Chronicles, Just Cause, The Maharaja's Daughter, Stephen King's Kingdom Hospital, Jeremiah, Lassie, Cooper Barrett's Guide to Surviving Life, Napoleon, 2 Brothers, The Tumultuous Adventures of Jack Carter, Les Sœurs Elliot, Le 7e Round, Scorpion, Damnation, Killer Wave, Travelers, Caprica, Nuremberg, The Borderline