Captain Harrison is an ex-Green Beret.
Appears as a commander of IGI-allied troops, he aids Jones in the mission to rescue Josef Priboi from his captors in the stage 'GOD'. He also aids in capturing Jack Priboi in the mission "Get Priboi" and also comes to aid Jones in the final mission "Finding the Bomb".
" Leonard, you take 5 men, comb the entire area. Shoot to kill. Nagochi, Skinner, go with Jones, spread out and find how to get underground. Warren and I will stay here and cover Anya.
- David Jones, an ally on the field