All 71 actors in both Star Trek: Enterprise and Star Trek: Voyager
71 actors have appeared in both Star Trek: Enterprise and Star Trek: Voyager, across 270 episodes. The most-credited is Majel Barrett Roddenberry, Computer Voice in Star Trek: Enterprise and Computer Voice, Narrator, Announcer in Star Trek: Voyager.
| Actor | In Star Trek: Enterprise | In Star Trek: Voyager | Eps | Eps |
|---|---|---|---|---|
| Majel Barrett Roddenberry | Computer Voice | Computer Voice, Narrator, Announcer | 2 | 103 |
| Vaughn Armstrong | Admiral Maxwell Forrest, Kreetassan Captain, Captain Maximilian Forrest (Mirror Universe) | Alpha Hirogen, Korath, Telek R'Mor | 18 | 5 |
| Gary Graham | Ambassador Soval, Soval (Mirror Universe) | Tanis | 12 | 1 |
| Rick Worthy | Jannar | Noah Lessing, 3947/Cravic 122 | 10 | 3 |
| Jeffrey Combs | Commander Thy'lek Shran, Krem | Penk | 11 | 1 |
| Randy Oglesby | Degra, Trena'L | Kir | 11 | 1 |
| John Fleck | Silik | Abaddon | 8 | 1 |
| Eric Pierpoint | Harris (Section 31), Shiraht | Kotar | 5 | 1 |
| J. Paul Boehmer | Officer (SS-untersturmführer #2), Mestral | Kapitan, Borg Drone | 3 | 3 |
| Joseph Will | Michael Rostov | Kelis, Security Officer #3 | 3 | 2 |
| Tucker Smallwood | Xindi-Primate Councilor ( Councilor #1 ) | Admiral Bullock | 9 | 1 |
| Daniel Dae Kim | Corporal D. Chang | Gotana Retz | 3 | 1 |
| Kellie Waymire | Crewman Cutler | Layna | 3 | 1 |
| Marina Sirtis | Counselor Deanna Troi | Counselor Deanna Troi | 1 | 3 |
| James Horan | Humanoid Figure | Tosin | 6 | 1 |
| Steven Dennis | Tholos | Thompson, Alien, Fennim | 2 | 5 |
| Scott MacDonald | Commander Dolim | Rollins | 8 | 2 |
| Gregory Itzin | Admiral Black (Mirror Universe), Captain Sopek | Dysek | 2 | 1 |
| Harry Groener | Minister Nathan Samuels | The Magistrate | 2 | 1 |
| John Schuck | Antaak | Chorus #2 | 2 | 1 |
| Mark Moses | Henry Archer | Naroq | 2 | 1 |
| Nathan Anderson | Sergeant N. Kemper | Namon | 2 | 1 |
| Bruce Davison | Menos | Jareth | 1 | 1 |
| Dennis Cockrum | Alien Barkeep | Orek | 1 | 1 |
| Glenn Morshower | MacReady | Guard #1 | 1 | 1 |
| Jeff Kober | Traeg | Iko | 1 | 1 |
| John Rubinstein | Minister Kuvak, Mazarite Captain | John Evansville | 3 | 1 |
| Jonathan Frakes | Commander William T. Riker | Commander William T. Riker | 1 | 1 |
| Julianne Christie | Ah'Len | Dexa | 1 | 1 |
| Larry Cedar | Tessic | Tersa | 1 | 1 |
| Leland Orser | Loomis (21st century) | Dejaren | 1 | 1 |
| Richard Riehle | Jeremy Lucas | Seamus | 2 | 2 |
| Robert Pine | Tavin | Liria | 1 | 1 |
| Wade Williams | Garos | Trajis Lo-Tarik | 1 | 1 |
| Louis Ortiz | Klingon Warrior (Crewman: Goroth's starship), Suliban Medic | Culhane | 2 | 3 |
| Brad Greenquist | Captain Khata'n Zshaar, Rigelian Kidnapper #1 | Demmas | 2 | 1 |
| J.G. Hertzler | Klingon Captain, Kolos | Hirogen Hunter | 2 | 1 |
| Lee Arenberg | Gral (Tellarite) | Pelk | 2 | 1 |
| Thomas Kopache | The Alien (Test subject), Tos | Viorsa | 2 | 1 |
| Danny Goldring | Alien Captain, Nausicaan Captain | Alpha Hirogen | 2 | 2 |
| Aaron Lustig | Guri | Doctor | 1 | 1 |
| Bari Hochwald | E'Lis | Brin | 1 | 1 |
| Christopher Darga | Vorok | Y'Sek | 1 | 1 |
| Christopher Neame | German Generalmajor | Unferth | 2 | 1 |
| Christopher Shea | Sajen, Telev | Saowin | 2 | 1 |
| David Selburg | Vulcan Captain | Toscat | 1 | 1 |
| F.J. Rio | Vissian Chief Engineer | Joleg | 1 | 1 |
| Francis Guinan | Gosis | Minister Kray, Zar | 1 | 2 |
| Joseph Ruskin | Suliban Doctor | Vulcan Master | 1 | 1 |
| Keith Szarabajka | Damrus | Teero | 1 | 1 |
| Laura Stepp | Veylo | Erin Hansen | 1 | 2 |
| Michael Canavan | Vulcan (Unnamed Adviser 1 ) | Curneth | 1 | 1 |
| Michael Ensign | Dr. Oratt | Bard | 1 | 1 |
| Suzie Plakson | Tarah | The Female Q | 1 | 1 |
| Tim Kelleher | Pell | Four of Nine | 1 | 1 |
| Tom Wright | Ghrath | Tuvix | 1 | 1 |
| Bruce French | Vulcan Elder | Ocampa Doctor | 1 | 1 |
| Cyia Batten | Navaar | Irina | 1 | 1 |
| David Keith Anderson | Operations Crewman (Crewman (2165)) | Hirogen, Crew Member | 1 | 3 |
| James Parks | Bennings | Vel | 1 | 1 |
| Karl Wiedergott | Larr | Ameron | 1 | 1 |
| Matt Williamson | Klingon Council Member | Security Officer #2, Klingon | 1 | 3 |
| Michael Krawic | Stron | Rahmin | 1 | 1 |
| Scott Klace | Goff | Dremk | 1 | 1 |
| John Rosenfeld | Mark Latrelle | Technician #1 | 1 | 1 |
| Charles Lucia | Captain Keene | Mabus | 1 | 1 |
| Morgan Margolis | Crewman Baird | Vaskan Visitor | 1 | 1 |
| Robert Mammana | Engineer | Security Officer #1 | 1 | 1 |
| Victor Bevine | Flight Controller (Flight dynamics officer: NX Project) | Security Guard | 1 | 1 |
| Gary Bullock | Klingon Council Member (Councilor #2) | Goth | 1 | 1 |
| Roxann Dawson | Computer Voice | Cardassian ATR-4107 (reprogrammed voice) | 1 | 1 |
← Star Trek: Enterprise × Star Trek: Voyager
Cast data from TVmaze, licensed CC BY-SA 4.0.