Colin Alexander Cunningham is an American television and film actor. 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.

Falling Skies is an American science fiction television series set in a post-apocalyptic era, created by Robert Rodat and executive produced by Steven Spielberg. The series stars Noah Wyle as Tom Mason, a former history professor who becomes the second-in-command of the 2nd Massachusetts Militia Regiment, a group of civilians and fighters fleeing Boston following an alien invasion that devastated the world.