Stargate Atlantis had quite a notable ensemble cast in its five seasons on air. Here's what the sci-fi series' cast has been ...

Robert Patrick's impactful role as Col. Marshall Sumner in Stargate Atlantis, a tough-as-nails leader, is one of his most underrated characters.

It’s hard to believe that Stargate: Atlantis began airing over 20 years ago, yet here we are. This fantastic sci-fi series is but part of a larger whole, spinning out of another genre classic ...