Cunningham is best known for his roles as John Pope in the TNT science fiction series Falling Skies and as Major/Lt.Col Paul Davis on Stargate SG-1 and Stargate Atlantis.
Cunningham's fame stems from his roles as John Pope in "Falling Skies," and as Major/Lt.Col Paul Davis in "Stargate SG-1" and "Stargate Atlantis."