Actors in both NCIS and Star Trek: Deep Space Nine
91 actors have appeared in both NCIS and Star Trek: Deep Space Nine, across 684 episodes. The most-credited is Penny Johnson Jerald, Joanne Torrence in NCIS and Kasidy Yates, Cassie in Star Trek: Deep Space Nine.
| Actor | In NCIS | In Star Trek: Deep Space Nine | Eps | Eps |
|---|---|---|---|---|
| Penny Johnson Jerald | Joanne Torrence | Kasidy Yates, Cassie | 2 | 16 |
| Susanna Thompson | Army Lt. Col. Hollis Mann | Dr. Lenara Kahn | 8 | 1 |
| Leslie Hope | SecNav Sarah Porter | Kira Meru | 6 | 1 |
| Gregory Itzin | FBI Director, Spencer Downing | Hain, Ilon Tandro | 3 | 2 |
| Megan Gallagher | Under Secretary of the Navy Jennifer Leo | Faith Garland, Mareel | 3 | 2 |
| René Auberjonois | Dr. Felix Blackwell | Curzon Dax, Douglas Pabst, Mirror Odo | 1 | 3 |
| Salli Richardson-Whitfield | Carrie Clark | Fenna / Nidell | 3 | 1 |
| Tim Russ | Dr. Erik Harper, Jerry Kemper | Mirror Tuvok, T'Kar | 2 | 2 |
| Bertila Damas | Navy Master Chief Petty Officer Renee Quichera | Sakonna | 1 | 2 |
| K Callan | Bertha Jones-Delacroix, Grace Mullen | Alsia | 2 | 1 |
| Todd Waring | Albert James "Jamie" Beck | DeCurtis, Glinn Lasaran | 1 | 2 |
| Lawrence Pressman | Dr. Russell Pike, Secret Service Director | Tekeny Ghemor, Ambassador Krajensky | 2 | 3 |
| Don Stark | Marty Fiero | Ashrock | 1 | 1 |
| Erick Avari | Col. Dan McClafferty | Vedek Yarka | 1 | 1 |
| Michael B. Silver | Nicholas Sandlock | Vinod | 1 | 1 |
| Robert Picardo | Retired Marine Gunnery Sergeant Dale Harding | Dr. Lewis Zimmerman, EMH Mark I | 1 | 1 |
| Andrew Hawkes | Dean Campbell | Amat'igan | 2 | 1 |
| Brett Cullen | Navy Capt. Todd Gelfand | Deral | 2 | 1 |
| Brian Thompson | Master Chief Vince Nutter | Inglatu, Toman'torax | 1 | 2 |
| J. Paul Boehmer | Army CID Director Wayne Rogers | Vornar | 2 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.