Max Grodenchik as Rom Emissary, Parts I and II A Man Alone The Nagus Vortex The Homecoming The Circle The Siege Rules of Acquisition Necessary Evil Rivals The House of Quark Heart of Stone Heart of Stone Family Business Facets Little Green Men Our Man Bashir Bar Association Body Parts The Assignment The Ascent Doctor Bashir, I Presume? Ferengi Love Songs Call to Arms Behind the Lines Favor the Bold Sacrifice of Angels You Are Cordially Invited... The Magnificent Ferengi Profit and Lace Take Me Out to the Holosuite Treachery, Faith, and the Great River The Siege of AR-558 It's Only a Paper Moon The Emperor's New Cloak The Dogs of War	Marc Alaimo as Gul Dukat Emissary, Parts I and II Duet The Homecoming The Circle Cardassians Necessary Evil The Maquis, Part I The Maquis, Part II Civil Defense Defiant Explorers The Way of the Warrior, Part I Indiscretion Return to Grace Apocalypse Rising Things Past In Purgatory's Shadow By Inferno's Light Ties of Blood and Water Call to Arms A Time to Stand Sons and Daughters Behind the Lines Favor the Bold Sacrifice of Angels Waltz Far Beyond the Stars Wrongs Darker than Death or Night Tears of the Prophets Covenant Penumbra 'Til Death Do Us Part Strange Bedfellows The Changing Face of Evil When It Rains... What You Leave Behind, Parts I & II	Aron Eisenberg as Nog Emissary, Parts I and II A Man Alone The Nagus The Storyteller Progress The Siege Sanctuary The Jem'Hadar Life Support Heart of Stone Facets The Visitor Little Green Men Homefront Paradise Lost The Ascent The Darkness and the Light For the Uniform Soldiers of the Empire Blaze of Glory Empok Nor In the Cards Call to Arms A Time to Stand Rocks and Shoals Behind the Lines Favor the Bold Sacrifice of Angels You Are Cordially Invited... The Magnificent Ferengi Far Beyond the Stars One Little Ship Valiant Profit and Lace Tears of the Prophets Image in the Sand Shadows and Symbols Take Me Out to the Holosuite Chrysalis Treachery, Faith, and the Great River The Siege of AR-558 It's Only a Paper Moon Badda-Bing Badda-Bang 'Til Death Do Us Part The Changing Face of Evil The Dogs of War What You Leave Behind, Part I & II
Camille Saviola as Kai Opaka Emissary, Parts I and II Battle Lines The Collaborator Accession	Frank Owen Smith and Rene Auberjonois as Curzon Dax Emissary, Parts I and II Facets	Felecia M. Bell as Jennifer Sisko Emissary, Parts I and II
Andrew Robinson as Garak Past Prologue Cardassians Profit and Loss The Wire The Search, Part II Second Skin Distant Voices Civil Defense Improbable Cause The Die Is Cast The Way of the Warrior, Part I The Way of the Warrior, Part II Our Man Bashir Body Parts Broken Link Things Past In Purgatory's Shadow By Inferno's Light Empok Nor Call to Arms A Time to Stand Rocks and Shoals Favor the Bold Sacrifice of Angels In the Pale Moonlight Tears of the Prophets Afterimage The Emperor's New Cloak Inter Arma Enim Silent Leges When It Rains... Tacking Into the Wind Extreme Measures The Dogs of War What You Leave Behind, Parts I & II	Rosalind Chao as Keiko O'Brien Several on TNG A Man Alone If Wishes Were Horses The Siege Cardassians Rivals Armageddon Game Whispers Tribunal The House of Quark Fascination Accession Hard Time Body Parts Looking for par'Mach in All the Wrong Places The Assignment The Begotten Time's Orphan What You Leave Behind, Parts I & II	Hana Hatae as Molly Several on TNG If Wishes Were Horses Accession Hard Time Body Parts The Assignment Time's Orphan What You Leave Behind, Parts I & II
Wallace Shawn as Zek The Nagus Rules of Acquisition Heart of Stone Ferengi Love Songs Profit and Lace The Emperor's New Cloak The Dogs of War	Tiny Ron as Maihar'du The Nagus Rules of Acquisition Heart of Stone Ferengi Love Songs Profit and Lace The Emperor's New Cloak The Dogs of War	Majel Barrett as Ambassador Lwaxana Troi Several on TNG The Forsaken Fascination The Muse
Louise Fletcher as Winn In the Hands of the Prophets The Siege The Collaborator Life Support Shakaar Rapture In the Cards The Reckoning 'Til Death Do Us Part Strange Bedfellows The Changing Face of Evil When It Rains... What You Leave Behind, Parts I & II	Philip Anglim as Vedek Bareil In the Hands of the Prophets The Siege Shadowplay The Collaborator Fascination Life Support	James Sloyan as Dr. Mora Pol The Alternate The Begotten
John Colicos as Kor Errand of Mercy (TOS) Blood Oath The Sword of Kahless Once More Unto the Breach	Paul Dooley as Enabran Tain The Wire Improbable Cause The Die Is Cast In Purgatory's Shadow	Salome Jens as Female Shapeshifter The Search, Part I The Search, Part II Heart of Stone Broken Link Behind the Lines Favor the Bold Sacrifice of Angels You Are Cordially Invited... Treachery, Faith, and the Great River Penumbra 'Til Death Do Us Part Strange Bedfellows The Changing Face of Evil Tacking Into the Wind The Dogs of War What You Leave Behind, Parts I & II
Kenneth Marshall as Eddington The Search, Part I The Search, Part II The Die Is Cast The Adversary Rejoined Our Man Bashir For the Cause For the Uniform Blaze of Glory	Robert O'Reilly as Gowron Several on TNG The House of Quark The Way of the Warrior, Part I The Way of the Warrior, Part II Broken Link Apocalypse Rising By Inferno's Light When It Rains... Tacking Into the Wind	Jeff Magnus McBride as Joran Belar Dax Equilibrium Field of Fire
Avery Brooks as (Mirror) Benjamin Sisko Colm Meaney as (Mirror) Miles O'Brien Siddig El Fadil as (Mirror) Dr. Julian Bashir Andrew Robinson as (Mirror) Garak Rene Auberjonois as (Mirror) Odo Armin Shimerman as (Mirror) Quark Nana Visitor as (Mirror) Kira Nerys Crossover	Colm Meaney as (Mirror) Miles O'Brien Nana Visitor as (Mirror) Kira Nerys Siddig El Fadil as (Mirror) Julian Bashir Terry Farrell as (Mirror) Jadzia Dax Max Grodenchik as (Mirror) Rom Andrew Robinson as (Mirror) Garak Felecia M. Bell as (Mirror) Jennifer Sisko Tim Russ as (Mirror) Tuvok Michael Dorn as (Mirror) Worf Through the Looking Glass	Aron Eisenberg as (Mirror) Nog Felecia M. Bell as (Mirror) Jennifer Sisko Michael Dorn as (Mirror) Worf Colm Meaney as (Mirror) Miles O'Brien Alexander Siddig as (Mirror) Dr. Julian Bashir Nana Visitor as (Mirror) Kira Nerys Shattered Mirror
Julianna McCarthy as Mila Improbable Cause The Die Is Cast The Dogs of War What You Leave Behind, Parts I & II	Andrea Martin and Cecily Adams as Ishka Family Business Ferengi Love Songs The Magnificent Ferengi Profit and Lace The Dogs of War	Chase Masterson as Leeta Explorers Facets Bar Association Let He Who Is Without Sin... Doctor Bashir, I Presume? Ferengi Love Songs In the Cards Call to Arms Favor the Bold Sacrifice of Angels You Are Cordially Invited... The Magnificent Ferengi Profit and Lace Take Me Out to the Holosuite It's Only a Paper Moon The Emperor's New Cloak The Dogs of War
Penny Johnson as Kasity Yates Family Business The Way of the Warrior, Part I The Way of the Warrior, Part II Indiscretion For the Cause Rapture Far Beyond the Stars The Sound of Her Voice Take Me Out to the Holosuite Badda-Bing Badda-Bang Penumbra 'Til Death Do Us Part Strange Bedfellows The Changing Face of Evil The Dogs of War What You Leave Behind, Parts I & II	Jeffrey Combs as Brunt Family Business Bar Association Body Parts Ferengi Love Songs The Magnificent Ferengi Profit and Lace The Emperor's New Cloak The Dogs of War	Duncan Regehr as Shakaar Shakaar Crossfire Return to Grace The Begotten
Diane Salinger as Lupaza Shakaar The Darkness and the Light	William Lucking as Furel Shakaar The Darkness and the Light Ties of Blood and Water	Brock Peters as Joseph Sisko Homefront Paradise Lost A Time to Stand Far Beyond the Stars Image in the Sand Shadows and Symbols
J.G. Hertzler as Martok The Way of the Warrior, Part I The Way of the Warrior, Part II Apocalypse Rising In Purgatory's Shadow By Inferno's Light Soldiers of the Empire Blaze of Glory Call to Arms A Time to Stand Sons and Daughters Favor the Bold Sacrifice of Angels You Are Cordially Invited... Far Beyond the Stars Tears of the Prophets Image in the Sand Shadows and Symbols Treachery, Faith, and the Great River Once More Unto the Breach The Emperor's New Cloak Strange Bedfellows The Changing Face of Evil When It Rains... Tacking Into the Wind The Dogs of War What You Leave Behind, Parts I & II	Cyia Batten, Tracy Middendorf as Ziyal Indiscretion Return to Grace For the Cause In Purgatory's Shadow By Inferno's Light Call to Arms Sons and Daughters Favor the Bold Sacrifice of Angels You Are Cordially Invited...	Casey Biggs as Damar Return to Grace Apocalypse Rising Call to Arms A Time to Stand Sons and Daughters Behind the Lines Favor the Bold Sacrifice of Angels You Are Cordially Invited... Statistical Probabilities Waltz In the Pale Moonlight Tears of the Prophetss Image in the Sand Shadows and Symbols Treachery, Faith, and the Great River Penumbra 'Til Death Do Us Part Strange Bedfellows The Changing Face of Evil When It Rains... Tacking Into the Wind The Dogs of War What You Leave Behind, Parts I & II
Jeffrey Combs as Weyoun To the Death Ties of Blood and Water In the Cards Call to Arms A Time to Stand Behind the Lines Favor the Bold Sacrifice of Angels Statistical Probabilities Waltz Far Beyond the Stars Inquisition In the Pale Moonlight Tears of the Prophets Image in the Sand Shadows and Symbols Treachery, Faith, and the Great River Penumbra 'Til Death Do Us Part Strange Bedfellows The Changing Face of Evil Tacking Into the Wind The Dogs of War What You Leave Behind, Parts I & II	Lawrence Pressman as Ghemor Second Skin Ties of Blood and Water	Barry Jenner as Admiral Ross A Time to Stand Behind the Lines Favor the Bold Tears of the Prophets Image in the Sand Shadows and Symbols Inter Arma Enim Silent Leges 'Til Death Do Us Part The Changing Face of Evil When It Rains... The Dogs of War What You Leave Behind, Parts I & II
Nana Visitor as (Mirror) Kira Nerys Philip Anglim as (Mirror) Bareil Resurrection	Tim Ransom as Jack Statistical Probabilities Chrysalis	Hilary Shepard Turner as Lauren Statistical Probabilities Chrysalis
Michael Keenan as Patrick Statistical Probabilities Chrysalis	Faith C. Salie as Sarina Statistical Probabilities Chrysalis	Mark Allen Shepherd as Morn Several appearances, no lines Who Mourns for Morn?
William Sadler as Sloan Inquisition Inter Arma Enim Silent Leges Extreme Measures	James Darren as Vic Fontaine His Way Tears of the Prophets Image in the Sand Shadows and Symbols The Siege of AR-558 It's Only a Paper Moon Badda-Bing Badda-Bang What You Leave Behind, Parts I & II	Deborah Lacey as Sarah Sisko/Wormhole Alien Shadows and Symbols Penumbra 'Til Death Do Us Part What You Leave Behind, Parts I & II
Patrick Stewart as Picard/Locutus Emissary, Parts I and II	Gwynyth Walsh as B'Etor Past Prologue	Barbara March as Lursa Past Prologue
John de Lancie as Q Q-Less	Jennifer Hetrick as Vash Q-Less	Richard Poe as Gul Evek The Maquis, Part I Tribunal
Natalija Nogulich as Admiral Nechayev The Maquis, Part II The Search, Part II	William Campbell as Koloth Blood Oath	Michael Ansara as Kang Blood Oath
Jonathan Frakes as Lt. Thomas Riker Defiant	Marc Worden as Alexander Sons and Daughters You Are Cordially Invited...	Rick Pasqualone as Toral The Sword of Kahless
Tony Todd as Kurn Sons of Mogh	William Shatner as James T. Kirk Leonard Nimoy as Spock DeForest Kelley as Leonard McCoy James Doohan as Montgomery Scott Nichelle Nichols as Uhura George Takei as Hikaru Sulu Walter Koenig as Pavel Andreievich Chekov Trials and Tribble-ations	Robert Picardo as Zimmerman Doctor Bashir, I Presume?