All 124 actors in both Cold Case and The Unit
124 actors have appeared in both Cold Case and The Unit, across 225 episodes. The most-credited is Summer Glau, Paige Pratt in Cold Case and Crystal Burns in The Unit.
| Actor | In Cold Case | In The Unit | Eps | Eps |
|---|---|---|---|---|
| Summer Glau | Paige Pratt | Crystal Burns | 1 | 7 |
| Kevin McCorkle | Detective Gil Sherman | Lt. Colonel West | 6 | 1 |
| Michael O'Neill | Warren Cousins (2005) | Ron Cheals | 1 | 6 |
| Bre Blair | Grace Anderson (1973) | Joss Morgan | 1 | 5 |
| Sammi Hanratty | Caroline Bartleby (1929) | Jenny Gerhardt | 1 | 9 |
| Robin Weigert | Anna Mayes | Annette Terry | 3 | 1 |
| Dean Norris | Wayne Nelson (1994-2006) | Supervisor Marsh | 1 | 2 |
| Marco Rodríguez | Manny Fernandez | Cruz Mata | 2 | 1 |
| Conor O'Farrell | Brogan Cooper (1968) | Major General Heath | 1 | 4 |
| JB Blanc | Paul Shepard, '10 | Dr. Leon Rocha | 2 | 3 |
| Damon Herriman | John Smith (2008) | Sgt. Parker | 1 | 1 |
| Eric Ladin | Crumbs (1945) | Blaylock | 1 | 1 |
| Jayne Taini | Dotty Phillips | Clerk | 1 | 1 |
| Shirley Knight | Dottie | Mrs. Gaffney | 1 | 1 |
| Michele Greene | Tessie Bartram (2007) | Cynthia Burdett | 1 | 4 |
| Stacy Edwards | Susan Cardiff | Marian Reed | 1 | 2 |
| Diana Burbano | Bonita at 35 | Clerk | 1 | 1 |
| Don McManus | Josh Freely | CIA Agent Billy | 1 | 2 |
| Dylan Kenin | James 'Monster' Drew '76 | Randall Deacon | 1 | 2 |
| Karina Logue | Simone Marks (1972) | Dr. Passani | 1 | 1 |
| Keone Young | Shinji Najamura (2007) | General Lao | 1 | 1 |
| Kristen Ariza | Dawn Hill (2006) | Keisha Holmes | 1 | 1 |
| Chris Ellis | Jim Horn (2008) | Congressman Bruce Gelber | 1 | 2 |
| Karl Makinen | Roy Easton | Coots | 1 | 2 |
| Clare Carey | Rose | Helene Rouse | 1 | 1 |
| Isabella Hofmann | Charlotte Bayes | Agent Terrell | 1 | 1 |
| Lela Loren | Ana Castilla | Carina | 1 | 1 |
| Marlene Forte | Yesenia Ramos | Maritza Calderon | 1 | 1 |
| Michael J. Harney | Charlie Rinzler | Crew Chief | 1 | 1 |
| Sandy Martin | Karen Watson (2007) | Woman with Cane | 1 | 1 |
| Shay Astar | Courtney Gaines | Computer Hacker | 1 | 1 |
| Tim Griffin | Coach Walters (1973) | Morgan Eliot | 1 | 1 |
| Tzi Ma | Bo-Li Chen '09 | Rudy Hartano | 1 | 1 |
| Jake McLaughlin | James Addison | Prison Guard | 2 | 1 |
| Vyto Ruginis | Roy Gardocki | Doyle | 1 | 2 |
| Chris Foreman | Rodney Johnson (1987) | Rollie Cass | 1 | 1 |
| Deborah Van Valkenburgh | Geraldine | Madam | 1 | 1 |
| Jack Guzman | Bartender | Water Guard | 1 | 1 |
| Jake Johnson | Otis Petrowski (1954) | Martin | 1 | 1 |
| James MacDonald | Richard | Willis Meeks | 1 | 1 |
| James Moses Black | Gerald Carter | Billy | 1 | 1 |
| Jamie McShane | Leroy Lambert (1985) | Detective Renner | 1 | 1 |
| Jim Meskimen | PJ Prosser | Lawyer | 1 | 1 |
| Kim Estes | Clay Murphy '09 | Driver | 1 | 1 |
| Lois Hall | Krystal Hogan | Pauline Harper | 1 | 1 |
| Michael Cavanaugh | David Pool (2006) | Committee Chair Locke | 1 | 1 |
| Michael Shamus Wiles | Father Andrew Stillman | General Navarro | 1 | 1 |
| Myk Watford | Joe Don Billingsley | Sergeant Wallace | 1 | 1 |
| Nancy Youngblut | Dawn Wheeler (2008) | Ila Neihaus | 1 | 1 |
| Ray Campbell | Latrell Richmond | Curtis Long | 1 | 1 |
| Roberto Sanchez | Commander | Captain | 1 | 1 |
| Shaun Benson | Truck Sugar | Interrogator #1 | 1 | 1 |
| Alejandro Patiño | Esteban '81 | Spanish Store Owner | 1 | 1 |
| Bruce A. Young | Daryl Booker | Dr. Jimmy Willey | 1 | 1 |
| David Andriole | Greg Cardiff | August Tavish | 1 | 1 |
| David Giuntoli | Dean London '60 | Major Paul Grand | 1 | 1 |
| Gonzalo Menendez | Ramiro | Vasquez | 1 | 1 |
| Jackie Debatin | Dee Dee | Agent Suzanne Lee | 1 | 1 |
| Jon Hershfield | Aaron Dutra (1992) | Tech | 1 | 1 |
| Kate Norby | Ginny WIlliams | Pam | 1 | 1 |
| Lauri Johnson | Nurse Olsen (2005) | Neighbor | 1 | 1 |
| Patrick St. Esprit | Porter Rawley (2007) | Agent Inman | 1 | 1 |
| Ryan K. Smith | Guard (1944) | Swat Officer #3 | 1 | 1 |
| Sven Holmberg | Frankie | Zjhokar | 1 | 1 |
| Brian Howe | Harry Denton '74 | Griffiths | 1 | 1 |
| Dennis Hill | Keith Henderson | Analyst #1 | 2 | 1 |
| Hilary Angelo | Beth Reardon (1992) | Maddy | 1 | 1 |
| Katie Mitchell | Teacher in 1990 | Linda Kaplan, Sarah Branch | 1 | 2 |
| Matt Bushell | Butch Rinaldi (1973) | Sgt. Burroughs | 1 | 1 |
| Nate Parker | R.J. Holden | Darryl | 1 | 1 |
| Ned Schmidtke | Art Balducci (2005) | Don Rohmer | 1 | 1 |
| Ned Vaughn | Phil Wingeter | Ambassador Henry Trotter | 1 | 1 |
| Patti Yasutake | Barbara Takahashi (2007) | Judge Hatter | 1 | 1 |
| Rebecca Tilney | Margie Everett '88 | Lynette | 1 | 1 |
| Rodney Scott | Scott Swayer | Marty | 1 | 1 |
| Brian D. Johnson | Rob Dreamer (1983) | Transport Pilot | 1 | 1 |
| Chris McGarry | Jerry Harkin '05 / '10 | Kevin Sack | 1 | 1 |
| Colby French | Seth | Welfare Man | 1 | 1 |
| Jack Betts | Dr. Greggs (2005) | Old Priest | 1 | 1 |
| Jeremy Roberts | Burke '09 | Duke | 1 | 1 |
| Kevin Jackson | Landry | Guard #2 | 1 | 1 |
| Mitchell Fink | Tyler Cage | Lazareff | 1 | 1 |
| Robert Catrini | Pops (1979) | D.E.A. Chief Johnson | 1 | 1 |
| Robert Rusler | Lt. Nash Cavanaugh | Colonel | 1 | 1 |
| Adetokumboh M'Cormack | Darnell Brent (2008) | Ammanuel | 1 | 1 |
| Mac Brandt | Preston Schmall | MP #1 | 1 | 1 |
| Michael Trotter | Dwight Barnes '80 | Soldier #2 | 1 | 1 |
| Mike Genovese | Mateo Zaccardo (2006) | Vince | 1 | 1 |
| Roberto Montesinos | Angel Perez (2008) | Samour | 1 | 1 |
| Ryun Yu | Ray Leung | Raul | 1 | 1 |
| Sam Murphy | Eric Witt (1973) | Wounded Soldier | 1 | 1 |
| Terrell Lee | Carlton Rawls (1991) | Police Officer | 1 | 1 |
| Andy Fischer-Price | Huck Oberland (1964) | Daniel Miller | 1 | 1 |
| George Tasudis | Ivan Fonseca | Burly Co-worker | 1 | 1 |
| Hope Olaide Wilson | Chandra Patterson '70 | Jackie | 1 | 1 |
| Joel Polis | Steve Burke '10 | Administrator | 1 | 1 |
| Lance Irwin | Cullen Masters '09 | Bar Patron | 1 | 1 |
| Lillian Hurst | Bonita Rafael | Senora Berenguer | 1 | 1 |
| Lori Lively | Nancy | Tom Ryan's Mother | 1 | 1 |
| Raymond Ma | Hong '83 | Supervisor | 1 | 1 |
| Bruce Wright | Stewart Adams (1978) | U.S. Ambassador | 1 | 1 |
| Emily Yancy | Wilma Richmond | Mrs. Blane | 1 | 1 |
| Endre Hules | Leo Koslov '08 | Terrorist | 1 | 1 |
| George Gerdes | Warden Wilbur | Detective | 1 | 1 |
| Gregory Wagrowski | Frank (2005) | Petrov | 1 | 1 |
| Jack Wallace | Sonny Carroll (2005) | Hank | 1 | 1 |
| Nicole Pettis | Althea Johnson '93 | Therapist | 1 | 1 |
| Sam Littlefield | Harrison Kemp '58 | The Waiter | 1 | 1 |
| J. David Shanks | Tommy Sugar (1976) | Jeremy | 1 | 1 |
| James Sharpe | Buzz Moran (1938) | sergeant | 1 | 1 |
| Julianna McCarthy | Penny Centavo (2007) | Margaret | 1 | 1 |
| Michael Petrone | State Trooper | Agent #1 | 1 | 1 |
| Sean Blakemore | Clyde (1963) | African Soldier | 1 | 1 |
| Elizabeth Sampson | Karin Hensley (2007) | Adult Woman | 1 | 1 |
| James Sutorius | Reuben Harris '10 | Arthur Chambers | 1 | 1 |
| Chase Ryan Jeffery | Chip (1993) | Sam | 1 | 1 |
| Christopher Hoffman | POW Eulogist | Crew Chief | 1 | 1 |
| James Kiriyama-Lem | Arun Park | Crew Member | 1 | 1 |
| Jenny Eakes | Diane Moore (1982) | Grieving Woman | 1 | 1 |
| Sarah Shelton | Sloane (2006) | Reporter | 1 | 1 |
| Franklin Dennis Jones | Examiner | Base Commander | 1 | 1 |
| Tuffet Schmelzle | Mattie (1965) | Ashley | 1 | 1 |
| Nick Hoffa | Opponent '63 | Agent #4 | 1 | 1 |
| Jarrod Crawford | Clay Murphy '88 | Mutt | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.