A trio of old men who worked on the Gates at some point in their long and apparently adventurous lives. They hang around in unexpected places. Have you seen them?

Asimov's girlfriend. After meeting Spike, Katerina starts to question her future with Asimov.

A wise old shaman. Spike visits him for leads on bounty heads but often receives spiritual guidance instead.

Hosts of "Big Shot," a tip show for bounty hunters.

Spike and Jet's reliable physician friend.

A pair of bumbling thieves.

A group of scientists who developed the lab animal captured by Abdul Hakim.

Owner of a pet shop and lover of all animals.

The owner of a casino shaped like a roulette wheel spinning in Martian space.

A group of eco-terrorists who are devoted to the plight of Ganymede sea rats.

A Ganymede policeman and Jet's friend.

A crime syndicate leader who negotiates a treaty with Mao Yenrai.

A convenience store owner with connections to Spike and Mao Yenrai.

A harmonica-playing killer who stopped aging after he was directly exposed to the blast of the gate disaster.

One of Giraffe's comrades from the "Self Defense Volunteer Squad."

One of Jet's friends. A bounty hunter with a sweet-tooth.

Known as the "Heavy Metal Queen," she is an interstellar trucker with a legendary reputation. Her late husband was the famous bounty hunter, Ural Terpsichore.

VT's adorable cat.

A trucker and one of VT's friends. He had a rough encounter with Decker.

Three perverted poncho-wearing bounty hunter scoundrels.

Roco's young sister. She is blind from "Venus Sickness."

An aging policeman on Ganymede. One of Jet's old friends.

Jet's ex-girlfriend who had left him suddenly when he lived on Ganymede.

What is this mysterious creature? Could this be it?

Three old men, Wang Long, Ping Long and Sou Long. They lead the "Red Dragon" crime syndicate.

A loyal member of the "Red Dragon" crime syndicate.

A mugger on Callisto with a large gang that targets tourists.

Baccus' faithful assistant.

One of Jet's acquaintances. A feng-shui master who worked for the "Blue Snake" crime syndicate.

A talented feng-shui practitioner like her father, Pao Pu-zi. She develops a close bond with Jet.

Members of the "Blue Snake" crime syndicate after Pao Pu-zi.

An egotistical, incompetent bounty hunter who works with stupid gimmicks. Spike perceives him as an unworthy rival.

A comatose fifteen-year-old boy. Doctor Londes is a projection from his mind.

Appledelhi's mapmaking assistant. His boss could never remember his name.

The caretaker of an orphanage on Earth that Ed frequently visits.

Lin's brother who proves to be more loyal to his friends than to the "Red Dragon" crime syndicate.