Josh Blacker Josh played Sgt. Spencer in nine episodes of Stargate Universe and a “screaming man” in the Atlantis episode Vengeance. He has also appeared on Christmas Truce, Human Target, V, Blood Ties, Almost Human and Elysium. IMDB Twitter Official Julian Christopher Julian guest starred on the Stargate SG1 episode Fallout as Vin Eremal. He [...]