Characters appearing on Terminator: The Sarah Connor Chronicles, but never on-screen.
- Main: Characters designated by the show's starring credits.
- Recurring: Characters appearing on screen in at least 3 episodes.
- Minor: Characters appearing on screen in less than 3 episodes.
- Unseen: Characters mentioned, but not seen on screen.
“Sarah Connor's father fought in a war (most likely the Vietnam War). He slept with a gun under...Sarah Connor's father
“Donald Chase was a male high school student attending Crest View High School in the fall of...Donald Chase
“Emma Akagi was the mother of Xander Akagi and the wife of Alex Akagi. She was killed in an...Emma Akagi
“Cynthia Nolan was a female high school student attending Crest View High School in the fall of...Cynthia Nolan