- KAT: 22-year-old ronin who favors biker leathers and wields a pair of .45-caliber hand cannons.
- MOUSE: Kat's partner and an aficionado of all things sharp and stabby.
- REVELL: Ex-ronin, now owner of the Red Dog Bar.
- SPECS: Info broker-with-a-mouth, known for really bad-looking Hawaiian shirts.
- FAST EDDIE: CyberNet cowboy/data rat
- JAKE STEELE: Dashing ronin and Kat's on-again, off-again love interest.
- MURPHY: Kat's mentor. Deceased.