Richard Dean Anderson will appear in the upcoming movie Stargate: Continuum, Playback Daily is reporting and executive producer Brad Wright confirmed to GateWorld. Anderson, who played Jack O'Neill on Stargate SG-1 for eight years before entering semi-retirement, will travel with an 18-person crew to the U.S. Navy's Applied Physics Laboratory Ice Station in the Arctic next week to film scenes for the direct-to-DVD movie (story). Production resumes in Vancouver on May 22, following shooting for SG-1's first movie, The Ark of Truth. Written by Wright and directed by Martin Wood, Stargate: Continuum is a stand-alone time travel story that continues...