Guest Stars Paul McGillion as Dr. Carson Beckett Christopher Heyerdahl as Halling Ross Hull as Dr. Corrigan Co Starring David Nykl as Dr. Radek Zelenka James Lafazanos as Male Wraith Dean Marshall as Sgt. Bates Boyan Vukelic as Sgt. Stackhouse Edmond Wong as Atlantis Technician Agam Darshi as Athosian Santo Lombardo as Athosian Phoenix Ly as Yamato Andre Benjamin as Guard