All 57 actors in both High Potential and NCIS
57 actors have appeared in both High Potential and NCIS, across 539 episodes. The most-credited is Susan Kelechi Watson, Lucia in High Potential and NCIS Intel Analyst Nikki Jardine in NCIS.
| Actor | In High Potential | In NCIS | Eps | Eps |
|---|---|---|---|---|
| Susan Kelechi Watson | Lucia | NCIS Intel Analyst Nikki Jardine | 6 | 3 |
| Sarah Jane Morris | Dr. Maeve Sloan | NCIS Special Agent E.J. Barrett | 1 | 7 |
| T.J. Thyne | Barry Johnson | Fletcher Voss, Carl | 1 | 3 |
| Jesse Bradford | Solomon | John Bishop | 2 | 1 |
| Diandra Lyle | M.E. Regina Rotter | Alexandria P.D. Karen Stradivarius | 2 | 2 |
| Keith Carradine | Douglas Newmeyer | Manheim Gold | 1 | 1 |
| Jocko Sims | Ronnie Oliver | Michael Thomas | 2 | 1 |
| Melinda Page Hamilton | Iris Bowman | Kathy Sheldon, Vanessa Tillman | 1 | 2 |
| Michael Hyatt | Sergeant Dottie Reynolds | Judy Williams | 2 | 1 |
| Brian Howe | Gavin Tillman | Sherriff Tom Barrett | 1 | 1 |
| Christopher Cousins | Jon Ashford | Jordan Jones | 1 | 1 |
| Paloma Esparza Rabinov | Paloma Nichols | Sober Sally | 1 | 1 |
| Russell Wong | Detective Jon | Special Agent in Charge Feng Zhao | 1 | 1 |
| Sean Patrick Thomas | Dexter Price | Navy Commander Ian Rackham | 1 | 1 |
| Tobias Jelinek | Eddie Friedman | Bodie Whitman | 1 | 1 |
| Travis Schuldt | Teddy Barrow | Freddy Martin, Paul Miller | 1 | 2 |
| Barbara Eve Harris | Raina Viera | FAA Director Stacy Bergin | 1 | 1 |
| Ben Bode | Mr. Davis | Dan Reynolds | 1 | 1 |
| David Magidoff | Jake Eaton | Michael Seelus | 1 | 1 |
| James Martinez | Emilio | Navy Lt. Eduardo Almeida | 1 | 1 |
| Mark Bloom | Will Schlotzky | Dr. Marley | 1 | 1 |
| Rory O'Malley | Brett Lewis | Cliff | 1 | 1 |
| Briana Venskus-Vazquez | Rina St. Martin | Joanna | 1 | 1 |
| Edward Fordham, Jr. | Fritzy | Burly Man A.K.A. "Lump" | 1 | 1 |
| Jonathan Chase | Clark Donovan | Navy Commander Marshall May | 1 | 1 |
| Shelley Robertson | Winnie Ross | Navy Captain Beverly Sharp | 1 | 1 |
| Tijuana Ricks | Sister Lucy | CIA Agent Pamela Walsh | 1 | 1 |
| Lawrence Pressman | George Donovan | Dr. Russell Pike, Secret Service Director | 1 | 2 |
| Audrey Wasilewski | Glenda Walker | Shirley Wilkes | 1 | 1 |
| Beau Billingslea | Marvin Price | Denny "Pop" Rydell | 1 | 1 |
| Carlin James | Griff | Navy Seaman Felix Pittorino | 1 | 1 |
| Christopher Gartin | Frank Hensley | Jason Tupperman | 1 | 1 |
| Douglas Olsson | Frank Webber | Zaynak Darbenian | 1 | 1 |
| JoNell Kennedy | Phyllis Martel | Navy Commander Lisa Cleveland | 1 | 1 |
| June Carryl | Nicole Heisler | Julia Marino | 1 | 1 |
| Kate Boyer | Tara Foley | U.S. Deputy Marshal Cindy Carter | 1 | 1 |
| Matt Kaminsky | Danny Sternblatt | Henry Spivey | 1 | 1 |
| Merrick McCartha | Detective Lavolie | Doctor Eugene Pierce | 1 | 1 |
| Nick Massouh | Cooper Landecker | Navy Chief Petty Officer Refet Ramadani | 1 | 1 |
| Alex Quijano | Gerald Lee | Blye Head of Security Blake Huxley | 1 | 1 |
| Andi Chapman | Transplant Coordinator | Congresswoman Bernice Donaldson | 1 | 1 |
| Brennan Keel Cook | Dane | Travis Williams | 1 | 1 |
| Cary Christopher | Gavin Reed | Kaiden Silcott / Al Kaiden | 1 | 1 |
| Joe Alvarez | Hank Mueller | Fire Lieutenant Earl Davis | 1 | 1 |
| Tom Virtue | Catholic Priest | Frank Satner | 1 | 1 |
| Ck Bolado | Hotel Bartender | Ray | 1 | 1 |
| Tristen MacDonald | Lauren Webber | Nurse Davies | 1 | 1 |
| Courtney Hawkins | Bartender Cole | Sketchy Gal | 1 | 1 |
| Jeremy John Wells | Rick | Agent William Baer Jr. | 1 | 1 |
| Leith Burke | Judge Anthony Lyne | Marine Captain Jared Bratton | 1 | 1 |
| Rob Mainord | Hornstock | Myron Holt | 1 | 1 |
| Tessa Munro | Marcella | Travis's Mom | 1 | 1 |
| Timothy Hornor | Academy Director Foley | Ian | 1 | 1 |
| Amir Talai | Mark Wilson | Simi | 1 | 1 |
| Juan Alfonso | Arturo Jimenez | Ramon Moncada | 1 | 1 |
| David Gautreaux | Art Forensic Scientist | Richard Colford | 1 | 1 |
| S. Zylan Brooks | Cynthia Flemmings | Catherine Scott | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.