NCIS Cast & Characters

NCIS is a CBS Drama / Action / Crime series. RecapHub tracks 7 credited series regulars across 4 seasons and 72 episodes, led by Gary Cole as Alden Parker, Sean Murray as Timothy McGee, Wilmer Valderrama as Nick Torres, Katrina Law as Jessica Knight.

NCIS (Naval Criminal Investigative Service) is more than just an action drama. With liberal doses of humor, it's a show that focuses on the sometimes complex and always amusing dynamics of a team forced to work together in high-stress situations. Leroy Jethro Gibbs, a former Marine gunnery sergeant, whose skills as an investigator are unmatched, leads this troupe of colorful personalities.

NCIS first aired on Sep 19, 2022, and the most recent season covered here aired on Oct 14, 2025. Cast credits below are aggregated across all 4 seasons.

550 guest performers have appeared in NCIS, and 38 of them return in more than one episode. The most frequently returning players include Seamus Dever as NCIS Deputy Director Gabriel LaRoche, J. Claude Deering as Curtis Hubley, Kensie Mills as Lily Burm, LL Cool J as Special Agent Sam Hanna, Margo Harshman as Delilah Fielding, Francis X. McCarthy as Roman Parker.

How to use this page: this is the show-level cast index — it aggregates every season. For season-specific credits, see the individual season cast pages: Season 20 · Season 21 · Season 22 · Season 23.

These performers appear in more than one episode of NCIS. Episode counts cover every season RecapHub currently has episode data for.

• NCIS Deputy Director Gabriel LaRoche — Seamus Dever · 6 episodes · Seasons 22-23
• Curtis Hubley — J. Claude Deering · 5 episodes · Seasons 21-23
• Lily Burm — Kensie Mills · 4 episodes · Seasons 21-23
• Special Agent Sam Hanna — LL Cool J · 4 episodes · Seasons 20, 22, 23
• Delilah Fielding — Margo Harshman · 4 episodes · Seasons 20-22
• Roman Parker — Francis X. McCarthy · 3 episodes · Seasons 20, 22
• Evelyn Shaw — Juliette Goglia · 3 episodes · Season 20
• Robin Knight — Lilan Bowden · 3 episodes · Seasons 20, 22
• Audrey the Barista — Mary Cole · 3 episodes · Seasons 22-23
• Navy Vice Admiral Harriet Parker — Nancy Travis · 3 episodes · Season 23
• Carla Marino — Rebecca De Mornay · 3 episodes · Seasons 22-23
• NCIS Special Agent in Charge Jane Tennant — Vanessa Lachey · 3 episodes · Seasons 20-21
• NCIS Accountant Barbara Dunsley — Victoria Kelleher · 3 episodes · Seasons 21-23
• NCIS Special Agent Dale Sawyer — Zane Holtz · 3 episodes · Seasons 20, 22, 23
• Sammy Craig — Adam Ferrara · 2 episodes · Seasons 21, 23
• Maurice Riva — Al Sapienza · 2 episodes · Seasons 20-21
• FBI Agent Eric Ford / Carla's Thug — Aric Hendrix · 2 episodes · Seasons 22-23
• Senator Constance Miller — Brigid Brannagh · 2 episodes · Season 20
• Lev Trotski — Chris Petrovski · 2 episodes · Seasons 20-21
• Special Agent Eleanor Raye "Ellie" Bishop — Emily Wickersham · 2 episodes · Season 23
• FBI Deputy Director Wayne Sweeney — Erik Passoja · 2 episodes · Seasons 20, 22
• Tommy Manning — Geoffrey Arend · 2 episodes · Season 23
• Army CID Director Wayne Rogers — J. Paul Boehmer · 2 episodes · Season 23
• Prison Detention Officer Otis Glazebrook — Jeff Boehm · 2 episodes · Seasons 20-21
• Olivia Kahn — Jessica Gardner · 2 episodes · Seasons 20, 22
• Tobias C. Fornell — Joe Spano · 2 episodes · Seasons 20-21
• Harold Goodell — Josh Banday · 2 episodes · Season 23
• Navy Officer — Joy Cooper · 2 episodes · Season 23
• Doctor Grace Confalone — Laura San Giacomo · 2 episodes · Seasons 20, 22
• Eleanor Parker — Mackenzie Firgens · 2 episodes · Seasons 21, 23

Each season below links to its episode guide and its own season cast page. "New to the credits" lists performers who were not credited in any earlier season covered here.

• Season 20 (2022) — 22 episodes, 7 credited regulars: Gary Cole as Alden Parker, Sean Murray as Timothy McGee, Wilmer Valderrama as Nick Torres, Katrina Law as Jessica Knight, Brian Dietzen as Jimmy Palmer, Diona Reasonover as Kasie Hines, Rocky Carroll as Leon Vance. New to the credits this season: Gary Cole as Alden Parker, Sean Murray as Timothy McGee, Wilmer Valderrama as Nick Torres, Katrina Law as Jessica Knight, Brian Dietzen as Jimmy Palmer, Diona Reasonover as Kasie Hines, Rocky Carroll as Leon Vance. Season 20 cast page. Season 20 episodes.
• Season 21 (2024) — 10 episodes, 7 credited regulars: Gary Cole as Alden Parker, Sean Murray as Timothy McGee, Wilmer Valderrama as Nick Torres, Katrina Law as Jessica Knight, Brian Dietzen as Jimmy Palmer, Diona Reasonover as Kasie Hines, Rocky Carroll as Leon Vance. Season 21 cast page. Season 21 episodes.
• Season 22 (2024) — 20 episodes, 7 credited regulars: Gary Cole as Alden Parker, Sean Murray as Timothy McGee, Wilmer Valderrama as Nick Torres, Katrina Law as Jessica Knight, Brian Dietzen as Jimmy Palmer, Diona Reasonover as Kasie Hines, Rocky Carroll as Leon Vance. Season 22 cast page. Season 22 episodes.
• Season 23 (2025) — 20 episodes, 7 credited regulars: Gary Cole as Alden Parker, Sean Murray as Timothy McGee, Wilmer Valderrama as Nick Torres, Katrina Law as Jessica Knight, Brian Dietzen as Jimmy Palmer, Diona Reasonover as Kasie Hines, Rocky Carroll as Leon Vance. Season 23 cast page. Season 23 episodes.

NCIS has 394 character profiles with episode-level appearance data. The most-covered characters are listed first.

• Alden Parker — 72 episodes · supporting · Seasons 20-23
• Jessica Knight — 72 episodes · supporting · Seasons 20-23
• Jimmy Palmer — 72 episodes · supporting · Seasons 20-23
• Kasie Hines — 72 episodes · supporting · Seasons 20-23
• Leon Vance — 72 episodes · supporting · Seasons 20-23
• Nick Torres — 72 episodes · supporting · Seasons 20-23
• Timothy McGee — 72 episodes · supporting · Seasons 20-23
• Curtis Hubley — 5 episodes · guest · Seasons 21-23
• Delilah Fielding — 4 episodes · guest · Seasons 20-22
• Lily Burm — 4 episodes · guest · Seasons 21-23
• Audrey the Barista — 3 episodes · guest · Seasons 22-23
• Carla Marino — 3 episodes · guest · Seasons 22-23
• Evelyn Shaw — 3 episodes · guest · Season 20
• Navy Vice Admiral Harriet Parker — 3 episodes · guest · Season 23
• NCIS Accountant Barbara Dunsley — 3 episodes · guest · Seasons 21-23
• Robin Knight — 3 episodes · guest · Seasons 20, 22
• Roman Parker — 3 episodes · guest · Seasons 20, 22
• Army CID Director Wayne Rogers — 2 episodes · guest · Season 23
• DOD Chief David Barbado — 2 episodes · guest · Season 23
• Eleanor Parker — 2 episodes · guest · Seasons 21, 23
• Erin Marsh — 2 episodes · guest · Season 23
• Fletcher Voss — 2 episodes · guest · Seasons 21-22
• Harold Goodell — 2 episodes · guest · Season 23
• Lauren Jacobs — 2 episodes · guest · Seasons 22-23
• Lena Paulsen — 2 episodes · guest · Seasons 20, 22
• Lev Trotski — 2 episodes · guest · Seasons 20-21
• Maurice Riva — 2 episodes · guest · Seasons 20-21
• Nate Billings — 2 episodes · guest · Season 20
• Olivia Kahn — 2 episodes · guest · Seasons 20, 22
• Reymundo De Leon — 2 episodes · guest · Seasons 20-21
• Sammy Craig — 2 episodes · guest · Seasons 21, 23
• Tobias C. Fornell — 2 episodes · guest · Seasons 20-21
• Tommy Manning — 2 episodes · guest · Season 23
• Yuri Valkov — 2 episodes · guest · Season 20
• Abuela — 1 episode · guest · Season 20
• Adam Vargas — 1 episode · guest · Season 20
• Admiral Carlos Mendoza — 1 episode · guest · Season 22
• Admiral Gene Halverson — 1 episode · guest · Season 23
• Adriana Broussard — 1 episode · guest · Season 20
• Aida Torres — 1 episode · guest · Season 21