For other uses of this name, see Williams (disambiguation)
N.I.D. agent who accompanied Dr. Daniel Jackson on a stakeout in an attempt to capture Baal. When someone matching Baal's description boarded a limo to depart, Agent Malcolm Barrett ordered the abortion of the mission. At the same time, Baal was across town addressing a press forum regarding his acquisition of Hammel Technologies.
Ex Deus Machina - Williams drives himself and Dr. Jackson to a parking lot near a hotel where Baal is believed to be inside.