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.
“Cynthia Nolan was a female high school student attending Crest View High School in the fall of...Cynthia Nolan
“Cullie was a Resistance soldier in 2027. He was killed when a scrubbed Terminator reverted to...Cullie
“Emma Akagi was the mother of Xander Akagi and the wife of Alex Akagi. She was killed in an...Emma Akagi
“Mr. Henriksen was a teacher at John Connor's Crest View High School in Red Valley, New Mexico...Mr. Henriksen