Editing Star Trek: Deep Space Nine (section)

===Supporting cast===
{| class="wikitable" style="width:100%;"
|-
! style="width:15%;"|Actor !! Character !! Character description !! Appearances !! Species
|-
| [[Marc Alaimo]] || [[Dukat (Star Trek)|Dukat]] || The former Cardassian prefect of Bajor during the occupation, later leader of the Cardassian Union after allying with the Dominion || Seasons 1–7 || Cardassian
|-
| [[Aron Eisenberg]] || [[Nog (Star Trek)|Nog]] || Quark's nephew, a close friend to Jake Sisko, who becomes the first Ferengi to join Starfleet || Seasons 1–7 || Ferengi 
|-
| [[Max Grodénchik]] || [[Rom (Star Trek)|Rom]] || Quark's brother and Nog's father, who initially works at Quark's bar before quitting to become a maintenance engineer on ''Deep Space Nine'' || Seasons 1–7 || Ferengi
|-
| [[Andrew Robinson (actor)|Andrew J. Robinson]] || [[Elim Garak]] || A disgraced Cardassian spy living in exile on Deep Space Nine, where he works as a tailor and strikes up a friendship with Bashir || Seasons 1–7 || [[Cardassian]] 
|-
| [[Rosalind Chao]] || [[Keiko O'Brien]] || A botanist, who briefly becomes a schoolteacher on Deep Space Nine and then returns to her previous career. She is married to Miles O'Brien. || Seasons 1–7 || Human 
|-
| [[Wallace Shawn]] || [[Grand Nagus Zek|Zek]] || Grand Nagus (leader) of the Ferengi Alliance || Seasons 1–3 & 5–7 || Ferengi
|-
| [[Philip Anglim]] || [[Bareil Antos]] || A progressive Vedek (a high-ranking Bajoran cleric) who becomes Kira's lover || Seasons 1–3 & 6 || Bajoran 
|-
| [[Louise Fletcher]] || [[Winn Adami]] || A conniving, ambitious Vedek who is selected to become Kai, the spiritual leader of Bajor || Seasons 1–7 || Bajoran 
|-
| [[Salome Jens]] || [[Female Changeling]] || Spokesperson for the Founders of the Dominion, who later oversees the war effort in the Alpha Quadrant || Seasons 3–4 & 6–7 || [[Changeling (Star Trek)|Changeling]]
|-
| [[Kenneth Marshall]] || [[Michael Eddington]] || A Starfleet security officer on Deep Space Nine who betrays the Federation and joins the [[Maquis (Star Trek)|Maquis]] || Seasons 3–5 || Human 
|-
| [[Robert O'Reilly]] || [[Gowron]] || Chancellor of the Klingon Empire || Seasons 3–5 & 7 || Klingon
|-
| [[Chase Masterson]] || [[Leeta]] || A "Dabo girl" at Quark's bar who marries Rom in Season 6 || Seasons 3–7 || [[Bajoran]] 
|-
| [[Penny Johnson Jerald]] || [[Kasidy Yates]] || A civilian freighter captain who becomes Sisko's love interest || Seasons 3–7 || Human
|-
| rowspan="2"| [[Jeffrey Combs]] || [[Liquidator Brunt|Brunt]] || A "liquidator" for the Ferengi Commerce Authority who becomes an antagonist to Quark. || Seasons 3–7 || Ferengi 
|-
| [[List of Star Trek: Deep Space Nine characters#Weyoun|Weyoun]] || A Dominion administrator, negotiator, and military commander, eventually in charge of the Dominion forces in the Alpha Quadrant; he is replaced several times by clones, as various Weyouns perish. || Seasons 4–7 || [[Vorta]] 
|-
| {{Unbulleted list|[[Andrea Martin]]|[[Cecily Adams]]}} || [[Ishka]] || Quark's mother, a highly successful businesswoman who agitates for civil rights for Ferengi females (who are not allowed to go into business) || Seasons 3 & 5–7 || Ferengi 
|-
| [[J. G. Hertzler]] || [[Martok]] || An influential Klingon general who commands the Klingon forces in the Dominion War, later Chancellor of the Empire. || Seasons 4–7 || [[Klingon]] 
|-
| {{Unbulleted list|[[Cyia Batten]]|[[Tracy Middendorf]]|[[Melanie Smith (actress)|Melanie Smith]]}} || [[Tora Ziyal]] || Dukat's half-Bajoran daughter || Seasons 4–6 || Bajoran-Cardassian 
|-
| [[Casey Biggs]] || [[Damar (Star Trek)|Damar]] || Dukat's aide, who succeeds Dukat as leader of Cardassia and then leads the Cardassian rebellion against the Dominion || Seasons 4–7 || Cardassian 
|-
| [[Barry Jenner]] || [[William Ross (Star Trek)|William Ross]] || Commander of Starfleet forces in the Dominion War || Seasons 6–7 || Human 
|-
| [[James Darren]] || [[Vic Fontaine]] || A [[holodeck|holographic]] simulation of a 1960s Las Vegas lounge singer who offers helpful personal advice and entertainment for the crew. || Seasons 6–7 || Hologram
|}