A list of characters of The Star Millennia series.
- Sarah is a Galactic Marshal and the primary protagonist of Star Cop as well as being a Special Forces veteran during Vietnam. Sarah signature handgun is the Beretta Auto 9 and a Smith & Wesson Model 29 revolver. She drives a sleek and tough armored car as well as being captain of her starship The Blackheart
- Sarah's partner and love interest. Stacy served as a Sergent for the United States Army during Vietnam and met Sarah during a briefing while on tour. Afterwards he became a Galactic Marshal as well as Sarah's partner. He uses a Colt M1911 and a sawn off shotgun.
- a 13 year old computer hacker and Sarah's friend. Sparks was orphaned by Sarah after his parents were killed in plot of an assassination attempt that involved the murder of a United States senator who attempted to expose a drug ring under a crime lord. Sparks serves as the crew's programmer and co engineer of the Blackheart.
- Lisa is a mechanic of the Earth Alliance Navy Force and serving as partner to Sarah's brother Reese. She is an expert marksman in sniping skills as well as being an expert engineer.
- The head CEO of S.T.A.R.S and an expert political genius. Evelin also serves as an arch-nemesis to Sarah and will do anything to stop her vigilantism on corruption.