Christopher Heyerdahl - Semantic Stargate Wiki

Christopher Heyerdahl
Biographical information
Birth date	(1963-09-18) September 18, 1963 (age 62) British Columbia, Canada
Gender
Nationality	Canadian
Professional information
Occupation	Actor
Years active	1983—present
Stargate-related information
Related series	Stargate SG-1 Stargate Atlantis
Occupation	Actor
Characters	Pallan (SG-1) Halling (Atlantis) "Todd", the Wraith (Atlantis)
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'Christopher Heyerdahl (born September 18, 1963) is a Canadian actor. He played several characters in the Stargate franchise, notably Halling and "Todd", the Wraith, in Stargate Atlantis.

Biography

Actor
- Pallan (SG1: "Revisions")
- Halling (Stargate Atlantis)
- A Wraith commander (SGA: "No Man's Land", "Misbegotten")
- "Todd", the Wraith (Stargate Atlantis)
  - An alternate version of "Todd" from an alternate timeline (SGA: "The Last Man")
  - An alternate version of "Todd" from an alternate reality (SGA: "Vegas")

Click on the right "Expand" button to see all the filmography. To hide it, click on the right "Collapse" button.

Film and Television
Year	Title	Function	Role	Notes

01. "Fallen"
02. "Homecoming"
03. "Fragile Balance"
04. "Orpheus"
05. "Revisions" (Guest Star)
06. "Lifeboat"

07. "Enemy Mine"
08. "Space Race"
09. "Avenger 2.0"
10. "Birthright"
11. "Evolution", Part 1

12. "Evolution", Part 2
13. "Grace"
14. "Fallout"
15. "Chimera"
16. "Death Knell"

17. "Heroes", Part 1
18. "Heroes", Part 2
19. "Resurrection"
20. "Inauguration"
21. "Lost City", Part 1
22. "Lost City", Part 2

01. "Rising", Part 1 (Guest Star)
02. "Rising", Part 2 (Guest Star)
03. "Hide and Seek" (Guest Star)
04. "Thirty Eight Minutes" (Guest Star)
05. "Suspicion" (Guest Star)

06. "Childhood's End"
07. "Poisoning the Well"
08. "Underground"
09. "Home"
10. "The Storm"

11. "The Eye"
12. "The Defiant One"
13. "Hot Zone"
14. "Sanctuary"
15. "Before I Sleep"

16. "The Brotherhood"
17. "Letters From Pegasus"
18. "The Gift"
19. "The Siege", Part 1 (Guest Star)
20. "The Siege", Part 1

01. "No Man's Land" (Guest Star)
02. "Misbegotten" (Guest Star)
03. "Irresistible"
04. "Sateda"
05. "Progeny"

06. "The Real World"
07. "Common Ground" (Guest Star)
08. "McKay and Mrs. Miller"
09. "Phantoms"
10. "The Return", Part 1

11. "The Return", Part 2
12. "Echoes"
13. "Irresponsible"
14. "Tao of Rodney"
15. "The Game"

16. "The Ark"
17. "Sunday"
18. "Submersion"
19. "Vengeance"
20. "First Strike"

01. "Adrift"
02. "Lifeline"
03. "Reunion" (Guest Star)
04. "Doppleganger "
05. "Travelers"

06. "Tabula Rasa"
07. "Missing"
08. "The Seer" (Guest Star)
09. "Miller's Crossing" (Guest Star)
10. "This Mortal Coil"

11. "Be All My Sins Remember'd" (Guest Star)
12. "Spoils of War" (Guest Star)
13. "Quarantine"
14. "Harmony"
15. "Outcast"

16. "Trio"
17. "Midway"
18. "The Kindred", Part 1 (Guest Star)
19. "The Kindred", Part 2 (Guest Star)
20. "The Last Man" (Guest Star)

01. "Search and Rescue"
02. "The Seed"
03. "Broken Ties"
04. "The Daedalus Variations"
05. "Ghost in the Machine"

06. "The Shrine"
07. "Whispers"
08. "The Queen" (Guest Star)
09. "Tracker"
10. "First Contact" (Guest Star)

11. "The Lost Tribe" (Guest Star)
12. "Outsiders"
13. "Inquisition"
14. "The Prodigal"
15. "Remnants"

16. "Brain Storm"
17. "Infection" (Guest Star)
18. "Identity"
19. "Vegas" (Guest Star)
20. "Enemy at the Gate" (Guest Star)

Actors navbox

Main	Richard Dean Anderson • Don S. Davis • Christopher Judge • Michael Shanks • Amanda Tapping
Guest Stars	Tony Amendola • Mark Gibbon • Christopher Heyerdahl • Corin Nemec • Robert Picardo • Teryl Rothery • Cliff Simon • Jessica Steen

Main	Joe Flanigan • David Hewlett • Rachel Luttrell • Jason Momoa • Robert Picardo • Jewel Staite
Guest Stars	Martin Christopher • Colin Cunningham • Mark Dacascos • Mike Dopud • Christopher Heyerdahl • Paul McGillion