Gary Schwartz is an actor who provides his voice to the various characters in No One Lives Forever 2: A Spy in H.A.R.M.'s Way including the Super Soldiers, Mimes, Soviet Army soldiers and India H.A.R.M. guards.
You can also hear Gary in Star Trek Armada, Aliens vs Predator 2, Left 4 Dead, Team Fortress 2 and various Star Wars games.