Continuing the legacy of âStargate SG-1,â the longest-running, scripted, made-for television series in U.S. broadcasting history, Stargate: Continuum reunites Richard Dean Anderson as Jack O'Neill, with series favorites Ben Browder, Amanda Tapping, Christopher Judge, Claudia Black, Golden Globe® winner and three-time Emmy Award®-winning actor, Beau Bridges and Michael Shanks as Daniel Jackson.