SERGEANT O'BRIEN
Sergeant O'Brien is one of several gate technicians at the SGC. When SG-1 was believed to have been captured by Ba'al, O'Brien received their IDC and audio contact and sent a hold signal awaiting orders from General O'Neill to open the iris for their return through the gate under fire.
Portrayed by: Pierre Bernard Jr.*
Cross Reference: Walter Harriman, Technicians
Episode Reference: Zero Hour