Special Agent James Hamner of the ATF was leading the investigation of the cult of Seth outside Seattle when he detained SG-1. With the intervention of the President, O'Neill was put in charge of the operation, with emergency special agent credentials, and Hamner and his team reluctantly cooperated with SG-1 in the apprehension of Seth and the deprogramming of his cult.
Portrayed by: Mitchell Kosterman
Cross Reference: Jason Levinson, Tommy Levinson, Seth
Episode Reference: Seth