All 71 actors in both Star Trek: Enterprise and The Practice
71 actors have appeared in both Star Trek: Enterprise and The Practice, across 265 episodes. The most-credited is Randy Oglesby, Degra, Trena'L in Star Trek: Enterprise and Dr. Feldman, Judge Kelly White in The Practice.
| Actor | In Star Trek: Enterprise | In The Practice | Eps | Eps |
|---|---|---|---|---|
| Randy Oglesby | Degra, Trena'L | Dr. Feldman, Judge Kelly White | 11 | 2 |
| Bruce Davison | Menos | Scott Wallace | 1 | 9 |
| Steven Culp | Major J. Hayes | A.D.A. Emmanuel Kupcheck, Attorney Alldredge | 5 | 2 |
| Tucker Smallwood | Xindi-Primate Councilor ( Councilor #1 ) | Dr. Henry Matthews, Dr. Mick Benson | 9 | 2 |
| Daniel Dae Kim | Corporal D. Chang | Officer Pratt | 3 | 1 |
| Kellie Waymire | Crewman Cutler | Dr. Marshall | 3 | 1 |
| Steven Flynn | Maklii | D.A. Martin Toomey | 1 | 3 |
| Gregory Itzin | Admiral Black (Mirror Universe), Captain Sopek | Attorney Mark Grundel, Attorney Walter Pyne, D.A. Michael Stanfield | 2 | 5 |
| Clancy Brown | Zobral | D.A. Justin Fox | 1 | 2 |
| Matt Kaminsky | Cunningham | Reporter No. 1 | 2 | 1 |
| René Auberjonois | Ezral | Judge F. Mantz | 1 | 2 |
| Scott MacDonald | Commander Dolim | Detective Disaia | 8 | 1 |
| William Shatner | Captain James T. Kirk | Denny Crane | 1 | 5 |
| Zach Grenier | Renth | Detective R. Larson | 1 | 2 |
| Bari Hochwald | E'Lis | Nancy Huff, Dead Nancy Huff, Defense Attorney | 1 | 4 |
| Thomas Kopache | The Alien (Test subject), Tos | Dr. Harold Manning, Judge Morris Seymour, Mr. Schramm | 2 | 3 |
| Bill Cobbs | Emory Erickson | Arthur Turner | 1 | 1 |
| John Rubinstein | Minister Kuvak, Mazarite Captain | Judge Joseph Papp | 3 | 3 |
| Michael Nouri | Syrran (Arev) | Dwight Haber | 1 | 1 |
| Michael Reilly Burke | Koss | Detective Kevin McCarley | 3 | 3 |
| Paula Malcomson | Madeline Reed | Suzie Greene | 1 | 1 |
| Brad Greenquist | Captain Khata'n Zshaar, Rigelian Kidnapper #1 | Agent Slauson | 2 | 1 |
| Brett Rickaby | Yerdrin Lek | Earl Taylor | 1 | 2 |
| Conor O'Farrell | Burzaan, D'Jamat | D.A. Albert Bellamy | 2 | 1 |
| David Andrews | Lorian | Judge Wilbur Stucky | 1 | 2 |
| David Selburg | Vulcan Captain | Judge K. Holmes | 1 | 2 |
| Lawrence Monoson | First Officer Matthew Ryan | PDA John Seymour | 1 | 2 |
| Bruce French | Vulcan Elder | Attorney Barry Pederson, Attorney General Walgren, Judge M. Walters | 1 | 3 |
| Francis Guinan | Gosis | A.D.A. Mitchell Field, Gary Newman, Mitchell Field | 1 | 3 |
| Aaron Lustig | Guri | Attorney Michael King | 1 | 1 |
| Christopher Shea | Sajen, Telev | A.D.A. Martin Beckham | 2 | 1 |
| Clay Wilcox | Billy | Leonard Sowers | 1 | 2 |
| Danny Goldring | Alien Captain, Nausicaan Captain | Detective Chuck Driscoll | 2 | 1 |
| Diane DiLascio | Riaan | Karen | 1 | 1 |
| Donald Sage MacKay | Shilat | Howard McGowan | 1 | 2 |
| Henri Lubatti | Ethan Novakovich | Wendall Forsley | 1 | 1 |
| Jeffrey Dean Morgan | Damron | Daniel Glenn | 1 | 1 |
| Jordan Lund | Skalaar | Police Officer | 1 | 1 |
| Mark Moses | Henry Archer | Henry Winslow | 2 | 1 |
| Mary Mara | Sphere-Builder Presage | Dr. Jane Lefkowitz | 3 | 2 |
| Robert Pine | Tavin | John Monahan | 1 | 1 |
| Rudolph Willrich | Kuulan | Warden Stephen Marshall | 1 | 2 |
| Stephen Mendillo | Tavek | Dr. Miller | 1 | 1 |
| Adam Clark | Josiah | Officer Michael Clarke | 2 | 1 |
| Dey Young | Keyla | Elena Wharton | 1 | 2 |
| Richard Riehle | Jeremy Lucas | Mr. Holt | 2 | 1 |
| Bonita Friedericy | Rooney | Sandra Poole | 1 | 1 |
| Christopher Darga | Vorok | Officer | 1 | 1 |
| John Cothran, Jr. | Gralik Durr | Chris Patterson | 1 | 1 |
| Matt Malloy | Grish | Mr. Robinson | 1 | 1 |
| Pat Healy | Alien Slave (Mirror Universe) | Russell Thurm | 1 | 1 |
| Rey Gallegos | Crewman (in mess hall (2151)) | Hector Guzman | 1 | 1 |
| Scott Klace | Goff | Stephen Hatfield | 1 | 1 |
| Ruth Williamson | Sphere-Builder Primary | Dr. Sharon Gabler | 3 | 1 |
| Steve Rankin | Colonel Phillip Green | Stephen Jamison | 1 | 3 |
| David Figlioli | Klingon Crewman (Weapons officer: Duras' Bird-of-Prey) | Mark Harris | 1 | 1 |
| Holmes Osborne | Enolian Official | Jeffrey Hyde | 1 | 1 |
| James Ingersoll | Risan Man | Mr. Edward Harrelson | 1 | 2 |
| Jamison Yang | Crewman (Medical technician) | Co-Worker | 1 | 1 |
| Brian Reddy | Dr. Temec | Dr. Pankin | 1 | 1 |
| Mark Chaet | Yolen | Notary Public | 1 | 1 |
| Tess Lina | Karyn Archer | A.D.A. Alexandra Hartig | 1 | 1 |
| Bruce Wright | Fer'at | Grant Holmstead | 1 | 1 |
| Paul Hayes | Businessman | Walter Cates | 1 | 1 |
| Barbara Tarbuck | Chancellor Kalev | Judge Emily Strong | 1 | 1 |
| Billy Mayo | Officer #1 | Sgt. George Gilman | 1 | 1 |
| Dan Desmond | Klingon Chancellor (2153) | Judge Max Clammage | 1 | 1 |
| Jennifer Williams | Risan Woman | Doyle | 1 | 1 |
| John Short | Drake | Warren Snail | 1 | 1 |
| Scott L. Treger | Xindi-Reptilian Guard #3 | O'Malley's Bailiff | 2 | 1 |
| L. Sidney | Klingon Crewman #2 (Helmsman: Duras' Bird-of-Prey) | Guard # 1 | 1 | 1 |
← Star Trek: Enterprise × The Practice
Cast data from TVmaze, licensed CC BY-SA 4.0.