Pocket DS9 characters
Characters from the  novels from Pocket Books.

Many of the main characters from the aired episodes of  appear in the novels in this series. Characters from  and  also appear. Other new characters are listed below.

Regular characters

Benjamin Sisko  Starfleet CO of Deep Space 9. Sisko was assigned to the station when he was a commander in rank, but later he received a promotion to captain.

Kira Nerys  Bajoran Militia liaison and XO of DS9. Kira was assigned to the station while a major in rank, was eventually promoted to colonel, and later was made station CO. Kira was awarded a commission as a Starfleet captain in 2376 by Admiral Leonard James Akaar.

 
 Worf  Former Starfleet strategic operations officer of Deep Space 9. Worf had previously served for eight years aboard the , being promoted to lieutenant commander as well as receiving a dual commission as a Klingon Defense Force officer, before accepting Sisko's offer of a position aboard DS9. Worf served as the XO of both the  and  throughout the Dominion War. At the conclusion of the war, Worf was offered the title of Federation ambassador to the Klingon Empire, which he accepted. On occasion, he also served aboard the .

Odo  Changeling who formerly served as security chief of Deep Space 9. Odo held this post throughout the Cardassian rule of the station and, as a Bajoran Militia officer, throughout Sisko's command.

Jadzia Dax  Trill Starfleet officer, assigned to DS9 as a lieutenant in 2369. Dax was promoted to lieutenant commander before she was killed by Dukat in 2374.
Julian Bashir Genetically-engineered CMO of DS9, assigned in 2369 as a Starfleet lieutenant junior grade. Bashir was promoted to lieutenant and then again, in 2376, to lieutenant commander.

Miles O'Brien  Starfleet CPO assigned as DS9 chief of operations from 2369 to 2375. O'Brien accepted a teaching assignment at Starfleet Academy following the conclusion of the Dominion War.

Quark  Ferengi bartender who resided on DS9.

Ezri Dax  Command division Starfleet officer serving aboard DS9. Ezri joined the crew as an ensign, as the station's assistant counselor. She was soon promoted to lieutenant junior grade, and, after the conclusion of the Dominion War, she decided to pursue a career as a command officer. Ezri departed Deep Space 9 for the USS Aventine, a ship she later became captain of.

Nog  Starfleet lieutenant junior grade assigned as DS9's operations chief. Nog grew up, as a Ferengi errand boy, aboard DS9, before entering Starfleet Academy in 2372. He served as Chief O'Brien's apprentice while a cadet, eventually earning a field promotion to ensign. Nog was promoted to lieutenant per the captain's final orders, before Sisko vanished in late 2375.

Jacob Isaac Sisko  Federation journalist who resided on DS9.

 
 Commander Vaughn was a former operative with Starfleet Special Operations. He became Kira Nerys' new first officer on Deep Space 9 (and commanding officer of the ).
Vaughn was offered promotions many times over the years, but in keeping with his mission with Special Ops, preferred to remain a commander in order to keep a low profile. Even so, officers all the way to the rank of admiral routinely relied on Vaughn for advice, and generally did not attempt to pull rank on him.
He had a strained relationship with his daughter, Starfleet Ensign Prynn Tenmei, ever since an incident with Prynn's mother Ruriko, who had been assimilated by the Borg seven years prior to the novels under his command. On the Gamma Quadrant missions their relationship was under repair until Ruriko's assimilated corpse was found. Ruriko attacked her daughter and attempted to assimilate her, and Elias was forced to kill Ruriko in defense. Prynn blamed him for months for this incident. Vaughn eventually accepted a promotion to the rank of captain and for a time commanded Deep Space 9 and later a starship before perishing due to injuries sustained during the Borg invasion.

 The Jem'Hadar Honored Elder chosen by Odo to be his representative to the Alpha Quadrant. In Abyss, Taran'atar helps Bashir during the mission against Jem'Hadar who were created by a member of Section 31.

 Starfleet ensign assigned as science officer, and the son of the Andorian representative to the Federation Council.

 Ensign Tenmei is the new Defiant flight control officer, and Cmdr. Vaughn's daughter. She blames her father for the death of her mother, who was believed killed during an away mission he sent her on. She is named for T'Prynn of .

Recurring characters
Leonard James Akaar

Asarem Wadeen  First Minister of Bajor after Shakaar's death

Sam Bowers

Skrain G. Dukat

Hranok/Zar  See below: Zar

Leeta

Akellan Macet  Cardassian, captain of Trager

Natima Lang  Cardassian ambassador

Jean-Luc Picard

Rom

 
Storil/Saros (USS Saratoga personnel)  Vulcan captain of Saratoga

Shakaar Edon

Simon Tarses

Treir

Weyoun

Kasidy Yates-Sisko

Vlu  Female Cardassian; Sam Bowers had a crush on her

Yevir Linjaren

Zar/Hranok (USS Saratoga personnel)  Bolian tactical officer of Saratoga