Featured Characters:

    Supergirl

Supporting Characters:

    Batgirl

Antagonists:

    Jonathan Maxom (Single appearance)

Other Characters:

    Superman
    Judy Belson (Single appearance)
    Miss Merril (Single appearance)
    Sandy (Single appearance)
    Diane (Single appearance)

Locations:

    Metropolis
    Midvale
        Stanhope College
    Gotham City
        Batcave

Items:

    Green Kryptonite
    Linda Danvers Robot