Appearing in "Past Imperfect"
- Pete Seyfert
- Chris Seyfert
- Alex Anderson
- Commission on Superhuman Activities
- Ashleigh Nichols
- Josh Arndt (Appears on a computer screen, TV, or hologram only)
- Senator Jeff Knudsen (First appearance)
- Army Colonel Archie Hunt (First appearance)
- Sentinel Mk VII-A (First appearance)
- Deanna (Only appearance)
- Craig (Only appearance)
- Kelly Wallace
- Allan Anderson (Only appearance)
- Mrs. Anderson
- Jen Seyfert (Photo)
- Richardson (Appears on a computer screen, TV, or hologram only)
Races and Species:
- Washington, D.C.
Synopsis for "Past Imperfect"
After the death of Agent Rinehart, the nationwide manhunt for Juston and his rogue Sentinel is on; Juston begins to search for his mother while trying to keep his giant mutant hunting robot out of sight; Two government big-wigs recognize Juston's Sentinel and decide to cover their butts by sending out a Sentinel of their own to clean up this loose end.