Technical Pacifist He'll still mop the floor with you if you kill anyone in the PDX building when allied with them, or cross him when on the second floor while allied with World Corp, but he generally plays this trope straight.
Kylie Griffin
Back from the Dead - Should the Genre Savvy player decide to kill her in Sol's Bar and then align themselves with PDX, she returns in the final level having been revived by Worldcorp's technology. If you align with Worldcorp, she stays dead.