All 91 actors in both Star Trek: Deep Space Nine and The Practice
91 actors have appeared in both Star Trek: Deep Space Nine and The Practice, across 343 episodes. The most-credited is Andrew J. Robinson, Elim Garak, Mirror Elim Garak in Star Trek: Deep Space Nine and Edmond Solomon in The Practice.
| Actor | In Star Trek: Deep Space Nine | In The Practice | Eps | Eps |
|---|---|---|---|---|
| Andrew J. Robinson | Elim Garak, Mirror Elim Garak | Edmond Solomon | 39 | 1 |
| Penny Johnson Jerald | Kasidy Yates, Cassie | Attorney Laura Garrett | 16 | 1 |
| Louise Fletcher | Kai Winn Adami | Judge N. Swanson | 15 | 1 |
| Paul Dooley | Enabran Tain | Judge Philip Swackheim | 4 | 8 |
| Bill Smitrovich | Michael Webb | A.D.A. Kenneth Walsh | 2 | 5 |
| Gregory Itzin | Hain, Ilon Tandro | Attorney Mark Grundel, Attorney Walter Pyne, D.A. Michael Stanfield | 2 | 5 |
| Natalija Nogulich | Admiral Alynna Nechayev | Judge Stevens | 2 | 4 |
| Ann Gillespie | Nurse Jabara | Nina Roenisch | 4 | 1 |
| René Auberjonois | Curzon Dax, Douglas Pabst, Mirror Odo | Judge F. Mantz | 3 | 2 |
| Chris Sarandon | Martus Mazur | Dr. Jeffrey Winslow | 1 | 2 |
| Dey Young | Arissa | Elena Wharton | 1 | 2 |
| Jack Shearer | Ruwon, Vadosia | Mr. Johnson | 2 | 1 |
| James Lashly | Lieutenant George Primmin | Joseph Butlington | 2 | 1 |
| John de Lancie | Q | Dr. Walsh, Walter Bannish | 1 | 2 |
| Armin Shimerman | Audrid Dax, Herbert Rossoff, Mirror Quark | Judge Garth Moskin | 3 | 2 |
| Lawrence Pressman | Tekeny Ghemor, Ambassador Krajensky | Dr. Milton Leach, Russell Mathis | 3 | 2 |
| Thomas Kopache | Kira Taban | Dr. Harold Manning, Judge Morris Seymour, Mr. Schramm | 2 | 3 |
| James Greene | Ranjen Koral | Emerson Ray | 1 | 3 |
| Michael Bofshever | Toran | Joshua Berry, Walter Crewson | 1 | 3 |
| Michael Reilly Burke | Hogue | Detective Kevin McCarley | 1 | 3 |
| Robert Picardo | Dr. Lewis Zimmerman, EMH Mark I | Dr. Edmunds | 1 | 1 |
| Bari Hochwald | Dr. Elizabeth Lense | Nancy Huff, Dead Nancy Huff, Defense Attorney | 1 | 4 |
| Jim Jansen | Faren Kag, Lucsly | Attorney Richard Hart, Attorney Ryan Hall, Stephen Gould | 2 | 3 |
| Kaitlin Hopkins | Kilana | Karen Mills | 1 | 2 |
| Steve Rankin | Cardassian Officer, Yeto | Stephen Jamison | 3 | 3 |
| Tina Lifford | Lee | Mrs. Johnson | 2 | 1 |
| Cliff DeYoung | Croden | Attorney Randall West | 1 | 3 |
| Jeremy Roberts | Meso'Clan | Alan Neel | 1 | 3 |
| John Doman | Lenaris Holem | Officer Michael Finley | 1 | 3 |
| Tracy Middendorf | Tora Ziyal | Jennifer Cole | 1 | 3 |
| Bruce Wright | Sarish Rez | Grant Holmstead | 1 | 1 |
| Christine Healy | Seltin Rakal | Attorney Sheila Walworth, Psychologist Cindy Keller | 1 | 2 |
| Christopher Michael | Helm Officer | FBI Agent Gus Lewis, Police Officer | 1 | 2 |
| Christopher Shea | Keevan | A.D.A. Martin Beckham | 2 | 1 |
| Danny Goldring | Burke, Legate Kell | Detective Chuck Driscoll | 2 | 1 |
| Debi A. Monahan | Melissa | Marsha Burns | 1 | 2 |
| Jack Blessing | Dulmer | D.A. Horowitz | 1 | 1 |
| John Cothran, Jr. | Telok | Chris Patterson | 1 | 1 |
| Lawrence Monoson | Hovath | PDA John Seymour | 1 | 2 |
| Lisa Banes | Dr. Renhol | Judge Samantha Cooke | 1 | 1 |
| Michael J. Harney | Chadwick | A.D.A. Walt Frazier | 1 | 1 |
| Michelle Horn | Saghi | Joey Halpern, Fields | 2 | 3 |
| Randy Oglesby | Ah-Kel, Ro-Kel, Silaran Prin | Dr. Feldman, Judge Kelly White | 2 | 2 |
| Robert Curtis Brown | Vedek Sorad | Attorney John Wicker, Scott Simpson | 1 | 2 |
| Robert DoQui | Noggra | Doug Kimbro | 1 | 1 |
| Rudolph Willrich | Academy Commandant | Warden Stephen Marshall | 1 | 2 |
| Scott MacDonald | Goran'Agar, Tosk | Detective Disaia | 2 | 1 |
| Stephen Macht | General Krim | Gordon Armbrust | 2 | 2 |
| Tim Ransom | Jack | P.D. Kent Clark | 2 | 1 |
| Megan Cole | Kimara Cretak | Meredith Pearson | 2 | 4 |
| Alan Oppenheimer | Captain Keogh | Dr. Richard Papp, Judge Nelson | 1 | 2 |
| Charles Napier | Lt. General Rex Denning | Judge Abraham Betts | 1 | 2 |
| Jacqueline Schultz | Jessica Sloan | Margot Berrett, Shirley Yelon | 1 | 2 |
| Leon Russom | Admiral Toddman | Brian Kearns | 1 | 2 |
| Loren Lester | Attendant | Atty. Mitchell Gore, Dr. Marchant | 1 | 2 |
| Bill Bolender | The Albino | Executioner | 1 | 1 |
| Clayton Landey | Lieutenant Fuchida | Ronald Feldman | 1 | 1 |
| Jack Kehler | Captain Jaheel | Kyle Peabody | 1 | 1 |
| John Prosky | Brathaw | EPA Attorney Mitchell Kravits | 1 | 3 |
| Miriam Flynn | Midwife | Mary Stokes | 1 | 1 |
| Paul Collins | Zlangco | Attorney Hendrick Walton | 1 | 1 |
| Amanda Carlin | Kobb | Ms. Elder | 2 | 1 |
| Craig Wasson | Ee'char | Father O'Brien | 1 | 2 |
| Michael Fairman | Vendor | Governor's Council Richmond, School Board President Harold Shaw | 1 | 2 |
| Mel Johnson, Jr. | Legate Broca | Dr. Cadney | 3 | 1 |
| Benjamin Brown | Kagan | Officer | 1 | 1 |
| Brad Greenquist | Krit | Agent Slauson | 1 | 1 |
| Colby French | Ensign Weldon | Richie Price | 1 | 1 |
| James Noah | Dr. Hanor Pren | Appellate Judge Patterson | 1 | 1 |
| Randy Mulkey | Idanian Operative | Arnold Graham | 1 | 1 |
| Conor O'Farrell | Jeff Carlson | D.A. Albert Bellamy | 1 | 1 |
| David Bowe | Basso Tromac | Harris Reed | 1 | 1 |
| Jennifer Savidge | Trentin Fala | Lori Healy | 1 | 1 |
| Jordan Lund | Woban | Police Officer | 1 | 1 |
| Raymond Cruz | Vargas | Miguel Moreno | 1 | 1 |
| Christopher Darga | Commander Kaybok | Officer | 1 | 1 |
| Daniel Zacapa | Henry Garcia | Mr. Tabbitt | 1 | 1 |
| Darwyn Carson | Romulan Tal Shiar Operative | Young Mother | 1 | 1 |
| Dion Anderson | Zolan | Ronald Morgan | 1 | 1 |
| Frank Novak | Businessman | Dick Walsh | 1 | 1 |
| J. Patrick McCormack | Admiral Bennett | Pierce Stanton | 1 | 1 |
| Jeffrey King | Crewman Amaro | Kevin Gibson | 1 | 1 |
| Rosie Malek-Yonan | Tekoa | Lambert | 1 | 1 |
| Brad Blaisdell | Yint | Clerk | 1 | 1 |
| John Marzilli | Scavenger | Bud Reynolds | 1 | 1 |
| Mike Genovese | Captain Zef'No | Officer Carl Smitko | 1 | 1 |
| Chris Doyle | Jem'Hadar Officer | Bruce Manning | 1 | 1 |
| William Wellman, Jr. | Bajoran Officer | Ted Barrington | 1 | 1 |
| Karen Hensel | Deela | Juanita Marshall | 1 | 1 |
| Barry Wiggins | Jem'Hadar Officer | Police Officer | 1 | 1 |
| Bob Kirsh | Glinn | Henry Porter | 1 | 1 |
← Star Trek: Deep Space Nine × The Practice
Cast data from TVmaze, licensed CC BY-SA 4.0.