Answer
Stargate: Universe and Stargate: Atlantis feature the return of Richard Dean Anderson in his iconic role as Colonel Jack O'Neill. In Stargate: Atlantis, he makes several guest appearances, providing guidance to the Atlantis expedition. In Stargate: Universe, he plays a pivotal role as the leader of a secret mission to unravel the mysteries of the Destiny spaceship, taking viewers on a thrilling journey beyond the Stargate.