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 is best known for portraying John Pope in the TNT sci-fi series "Falling Skies" and Major/Lt. Col Paul Davis in both "Stargate SG-1" and "Stargate Atlantis."