Non-playable character

There are some characters that not playable by the players. The list below shows the non-player characters in Counter-Strike Online.

Characters

 * Doctor A: A researcher of developing new weapons and research about the zombie viruses.
 * Evelyn: An unidentified female character.
 * Felix: A signalman of an unknown special force.
 * Henry: A gunsmith who helps the player to assemble, manufacture and disassemble weapons.
 * Jacob: Header of a terrorist group.
 * Rowen: An support classes captain of an unknown special forces.
 * Victor: A captain of a unknown special force.
 * Zim: Header of a PMC (Private Military Contractors). Can be seen in Blaze and Sidewinder missions.
 * Chen: The Secretary for Security of a unknown country.

Zombie Scenario

 * Prototype Phobos: A boss appears in Last Clue. The players must defeat him to get Phobos' DNA.
 * Siege Type Phobos: A boss appears in Chaos. The players must defeat him to get Siege Type's Blood.
 * Oberon: A boss appears in Dead End. The players must defeat him to get either Siege-type's DNA or Siege-type's Frame.

Human Scenario

 * RAH-66 Comanche: A boss appears in Desert Storm and Hellfire to engage the players. In Sidewinder, it becomes the players' ally.
 * V-22 Osprey: A boss appears in Blaze.
 * Goliath: A boss appears in Sidewinder

Zombie Scenario 2

 * Dionne: A boss appears in Toxicity.