Paul McGillion is a Vancouver-based actor who has worked in television, film and theatre since 1990. He is best known for his role on the television series Stargate Atlantis as Dr. Carson Beckett.
In 2004, McGillion took a role on the science fiction series 'stargate: Atlantis as the Scottish medical doctor, Carson Beckett. He was initially cast as a recurring guest, but his character appeared so frequently in the show's first season that he was promoted to main character for seasons two and three, and reverts back to a recurring character for seasons 4 and 5 where he appears as the clone of the now-deceased Beckett. McGillion also played the part of young Ernest Littlefield in 'stargate SG-1's first season episode The Torment of Tantalus, the first Tauri to have passed through the Stargate after its burial.
He appeared in Season 7 of 24 as Dr. Levinson, a doctor who tried to extract a dangerous pathogen from Jack Bauer's bloodstream after all the canisters containing pathogen had either been destroyed or secured by FBI, but died when Bauer was being moved to another location and Bauer broke free, killing Levinson and his orderlies.