AWhen she is first introduced in the pilot episode, Cameron is utilizing the personality that would most appeal to John, so she could get close to him in order to be around him all the time. After her cover is blown, Cameron reverts to a colder, purpose-driven Terminator. Her human girl "personality" comes out when she has to interact with some humans. For example, at the museum, when the teacher asks her to remain with the group, she smiles, charming him, just like she did with John.
ASarah Connor: It's left ambiguous as to whether she gets cancer or not, but she stays in the present to help fight Skynet.John Connor: Travels to the future with Catherine Weaver to find Cameron and/or John Henry.Cameron: It is most likely that she's gone. When Cameron visits John Henry it's most likely she gave him her chip to download himself on and go to the future to fight Skynet. However her body is left intact in the past and it's possible that her personality is still retained on the chip and that she could download herself once more into either her original or a new bodyDerek Reese: Shot in the head while attempting to rescue Catherine Weaver's daughter Savannah. However, John meets with Derek's future self, so he isn't totally gone from the show's universe.James Ellison: Last seen with Sarah Connor. Presumably joins her to help fight skynet. Though this is left ambiguous.Charlie Dixon: Killed after having been shot three times in the chest while helping John escape hitmen.Riley Dawson: Killed after being shot in the chest by Jesse.Jesse Flores: Unknown. After it was found out that she killed Riley, John let her go to live with the guilt. However, Jesse sees Derek minutes later and he tells her, "John Connor told me to let you go... I'm not John Connor." We see Jesse run away from him while he aims his gun at her. We see him pull the trigger (though not all the way), we hear the click of the spring but a shot is not heard. Later, we see John ask Derek if he killed Jesse and he replied, "John Connor let her go." Whether or not she survived is left ambiguous.Catherine Weaver: Still a mysterious character. We learn she is not quite a villain, however, we have seen her kill many people and she is a T-1001 (an upgraded version of T-1000 seen in the movie Terminator 2). One thing is for certain, she could have killed the Connors, but instead saved them when her office building was attacked. She was last seen having traveled to the future with John, but hid as he encountered Derek, Kyle, and other human resistance members.Cromartie: "His" body becomes badly damaged by the Connors during a shoot out, and then later buried. Sara completely destroyed his chip thereby ending his existence. Ellison later steals his body and brings it to Weaver, who connects it to The Turk computer. Thus creating John Henry.John Henry: As Cameron's chip has been placed in his body, John Henry is once again either confined to his original, modern-day computer system from which he came; shut down; deleted; fully occupying Cameron's chip; or is sharing Cameron's chip as a partition (master/slave) with Cameron. Exactly which has not been shown.Savanah Weaver: Left in the present day by Catherine Weaver. It is unknown what has happened to her, although she may be in the care of Sarah, Ellison, or both.
