He has played the same character, Sgt. Walter Harriman, in three different television series: Stargate SG-1 (1997), Stargate: Atlåntis (2004) and SG.U Stargate Universe (2009).
He has played the same character, Sgt. Walter Harriman, in three different television series: Stargate SG-1 (1997), Stargate: Atlåntis (2004) and SG.U Stargate Universe (2009).