Main article: Spike Spiegel Played by: Kôichi Yamadera (Japanese) and Steve Blum (English)Spike Spiegel is an ex-Syndicate goon and a bounty hunter aboard the Bebop. He is proficient in martial arts, zipcraft flying, and gunfights, but he also has comical and aloof sides of his personality. If there's three things he can't stand, its kids, pets, and women with attitudes, and he's got all three on the Bebop.
Main article: Jet Black Played by: Unshô Ishizuka (Japanese) and Beau Billingslea (English)Jet Black is an ex-ISSP Special Forces Officer and the Captain of the Bebop. He is a bounty hunter and is called the "Black Dog" because once he sinks his teeth in he never lets go. Jet enjoys American Jazz music, taking care of Bonsai trees, and has a knack for investigative work.
Main article: Faye Valentine Played by: Megumi Hayashibara (Japanese) and Wendee Lee (English)Faye Valentine is a coma survivor of over 50 years and she is trying to regain her memory. She got into a lot of debt upon entering this futuristic world, and she had to resort to a life of crime and hustling to survive..that is, until she decided to live on the Bebop and become a bounty hunter.
Main article: Edward Played by: Aoi Tada (Japanese) and Melissa Fahn (English)Edward is a net diver from Earth. Edward is a child prodigy for hacking and has an aptitude for anything mechanical, even though Edward has some eccentricities in other parts of her personality. For instance, Edward speaks in third person and sometimes behaves like a wild animal. That's just Edward being Edward.
Main article: Ein Ein is a data dog, which is to say a very intelligent dog. He was enhanced in an illegal research facility but now spends most of his days relaxing on the Bebop. While not being an official bounty hunter, he does occasionally assist the crew in their cases.
Main article: Vicious Played by: Norio Wakamoto (Japanese) and Skip Stellrecht (English)Spike's rival. He is a member of the Red Dragon Crime Syndicate and prefers to use a sword instead of a gun. He leads a coup against his Capo, Mao Yenrai, in order to take his place as the new crime boss. Vicious is just like his name, darker and more sadistic than Spike.
Main article: Julia Played by: Gara Takashima (Japanese) and Mary Elizabeth McGlynn (English)Spike's former love interest. She was involved in the Red Dragon Crime Syndicate and was in a love triangle with Spike and Vicious.
The following characters appear in more than one episode and have substantial speaking parts but their characters are not as pivotal to the plot or fully developed.
Main article: Three Old Men Antonio, Carlos and Jobim are three old men who travel throughout the Solar System and continually encounter Spike and the Bebop crew, however neither group ever acknowledges having seen the other before.
Main article: Wen Wen was a victim of the Astral Gate accident that caused his body to stop aging. He was a gifted harmonica player that became jaded over time and held people hostage, like Zebra, in order to keep his condition a secret.