All 130 actors in both CSI: Miami and The Unit
130 actors have appeared in both CSI: Miami and The Unit, across 301 episodes. The most-credited is Michael O'Neill, Jerry Blackburn in CSI: Miami and Ron Cheals in The Unit.
| Actor | In CSI: Miami | In The Unit | Eps | Eps |
|---|---|---|---|---|
| Michael O'Neill | Jerry Blackburn | Ron Cheals | 1 | 6 |
| Jon Hamm | Dr. Brent Kessler | Wilson James | 1 | 5 |
| Conor O'Farrell | Charlie Berenger | Major General Heath | 1 | 4 |
| April Parker Jones | Dr. Medby | Principal Green | 1 | 2 |
| Scott Klace | Paul Garland | Wilpon | 2 | 1 |
| Andrew Divoff | Ivan Sarnoff | The Major | 4 | 1 |
| Gonzalo Menendez | Clavo Cruz | Vasquez | 4 | 1 |
| Eric Ladin | Jeff Wilton | Blaylock | 1 | 1 |
| Ivana Miličević | Jen Kemp | Ilona | 1 | 1 |
| Matt Gerald | Dan Wilson | Beau Dauber (Unit Member) | 1 | 3 |
| Ned Bellamy | Rick Bingham | Lewis | 1 | 3 |
| Michele Greene | Connie Faber | Cynthia Burdett | 1 | 4 |
| Kirk B.R. Woller | Detective Christian Brunner | Detective Penman | 1 | 2 |
| Matt Bushell | Dan Kirkland | Sgt. Burroughs | 2 | 1 |
| Lindsay Frost | Joanne Henderson | Senator Webb | 1 | 3 |
| Bernard White | Father Carlos | Khan | 1 | 1 |
| David Gianopoulos | Vincent Lesca | U.N. Chief Security Officer | 1 | 1 |
| Henri Lubatti | Ron Coswell | Brian Mickey | 1 | 1 |
| Laz Alonso | Dennis de Labeque, Deuce Deuce | Sgt. Carmichael | 1 | 1 |
| Stana Katic | Rita Sullivan | Special Agent Adrian Lane | 1 | 1 |
| Haley Ramm | Young Jennifer Wilson | Amber | 2 | 1 |
| Jack Guzman | Alonzo Santoya, Hugo | Water Guard | 2 | 1 |
| Karl Makinen | Allen Parker | Coots | 1 | 2 |
| Mark Ivanir | Gregor Kasparov | Yuri | 2 | 1 |
| Mark Pellegrino | Greg Calomar, Jed Gold | Gary Soto | 2 | 1 |
| Chris Tardio | Terrence Kerr | Sgt. Pruitt | 1 | 1 |
| Clare Carey | Janet Gardner | Helene Rouse | 1 | 1 |
| Curtis Mark Williams | Officer Matt | August O'Neill | 1 | 1 |
| David Meunier | Darren Riggs | Michael Angelli | 1 | 1 |
| Hal Ozsan | Brandon Pace | Raheem | 1 | 1 |
| Jake McLaughlin | Sam Laughlin | Prison Guard | 1 | 1 |
| James Remar | Capt. Quentin Taylor | Reece | 1 | 1 |
| Jim Ortlieb | Doctor Kagen | Principal | 1 | 1 |
| Lela Loren | Isabella Mansera | Carina | 1 | 1 |
| Mac Brandt | Victor Shetland | MP #1 | 1 | 1 |
| Don McManus | Erik Riden, Nedir Kire, Enrique Rayas | CIA Agent Billy | 1 | 2 |
| Tia Texada | Jane Duncroft | Mariana Ribera | 1 | 2 |
| Vyto Ruginis | David Jeffers | Doyle | 1 | 2 |
| Al Vicente | Clint Roster | Manager | 1 | 1 |
| Anthony Azizi | Allen Comden | Amin Al-Nura | 1 | 1 |
| Carlos Lacamara | Dr. Guillermo Santoyo | Luis Inez Reale | 1 | 2 |
| Daniel Betances | Officer Payton | Trucha | 3 | 1 |
| Erika Schaefer | Beautiful Girl | Gerey's Date | 1 | 1 |
| Fareed Ward | Officer Tovado | Base Tech | 3 | 1 |
| Isabella Hofmann | Dorothy Frost | Agent Terrell | 1 | 1 |
| James MacDonald | Dan Becks | Willis Meeks | 1 | 1 |
| Jose Pablo Cantillo | Juan Fernandez | Rock | 1 | 1 |
| Kevin Kilner | Drake Hamilton | Col. Bazemore | 1 | 1 |
| Luis Antonio Ramos | Tiago Matos | Adolpho | 1 | 1 |
| Monique Gabriela Curnen | Danielle Hansen | Sgt. Rosas | 1 | 1 |
| Myk Watford | Jerry Simmons | Sergeant Wallace | 1 | 1 |
| Necar Zadegan | Salumeh Farooq | Pari | 1 | 1 |
| Theo Rossi | Jimmy Castigan | Mike | 1 | 1 |
| Tim Griffin | Commander Briggs | Morgan Eliot | 1 | 1 |
| David Andriole | Jim Trinner | August Tavish | 1 | 1 |
| Dean Cudworth | John | Major Baker | 1 | 1 |
| Demetrius Grosse | Chuck Greene | Guard #1 | 1 | 1 |
| Giovanni Lopes | Aberto Fuentes | Pablo | 1 | 1 |
| Jamie McShane | Timothy Nash | Detective Renner | 1 | 1 |
| Jordi Caballero | Julio Elias | Octavio Sr. | 1 | 1 |
| Laura Cerón | DeeDee Curson | Ana Rocha | 1 | 1 |
| Marlene Forte | Judge Veracruz | Maritza Calderon | 1 | 1 |
| Navid Negahban | Rahim Farooq | Faheed | 1 | 1 |
| Nick E. Tarabay | Neil Massey | Henchman | 1 | 1 |
| Michael Papajohn | ND Man #2 | Henchman #2, Man | 1 | 2 |
| Bernardo de Paula | Leon Perez | Sanchez | 1 | 1 |
| Brian Howe | Dale Buford | Griffiths | 1 | 1 |
| Cyrus Farmer | Mitch Fielder | The Salesman | 1 | 1 |
| Dayton Callie | Adams - Parole Officer | Middle Aged Man | 1 | 1 |
| Francisco Viana | I.C.E Agent | Sgt. Lucas | 1 | 1 |
| J.J. Dashnaw | Dave | Agent #2, Frat Guy | 1 | 2 |
| John Meier | Cesar Rubio, Livid Driver | FSB Agent #2 | 2 | 1 |
| Jonno Roberts | Ted Sherman | Serin | 1 | 1 |
| Kenneth Mitchell | Robert Gordon | Keith Soto | 1 | 1 |
| Larry Bates | Deputy Biggs | Detective | 1 | 1 |
| Mark Harelik | Valenta | Secretary of State | 1 | 1 |
| Tim Sitarz | Billy Gault | Biker #2 | 1 | 1 |
| Alyssa Diaz | Chelsea Lopez | Dolores (Ron's daughter) | 1 | 1 |
| David Thomas Jenkins | Russell Webb | Bill | 1 | 1 |
| Eric Steinberg | Daniel Vance | General Raja | 1 | 1 |
| Ethan Rains | Brian Nassir | Iranian Sec. Chief Asst. | 1 | 1 |
| Gizza Elizondo | Yvette Cervantes | Sondra | 1 | 1 |
| Jackie Debatin | Melanie Nichols | Agent Suzanne Lee | 1 | 1 |
| Jarrod Bunch | Duane Cross | Bouncer #1 | 1 | 1 |
| Jason Manuel Olazábal | Doctor Landry | Mateo | 1 | 1 |
| Jeremy Roberts | Sam Carver | Duke | 1 | 1 |
| Jorge-Luis Pallo | Javier Ravez | Turo | 1 | 1 |
| Larry Sullivan | Edwin Chambers | Avner | 1 | 1 |
| Michael Khmurov | Sergei Patrenko | Rebel #1 | 1 | 1 |
| Patrick St. Esprit | Paul Jennings | Agent Inman | 1 | 1 |
| Robert Shampain | Craig Taft | Engineer | 1 | 1 |
| Rodney Scott | Keith | Marty | 1 | 1 |
| Tom Kiesche | Walter Dunley | Gerald Thomas | 1 | 1 |
| Chris McGarry | Kevin Wells | Kevin Sack | 1 | 1 |
| Colby French | Gary Logan | Welfare Man | 1 | 1 |
| Corey Stoll | Hotel Manager Craig Seaborn | Bobby Carrol | 1 | 1 |
| Eugene Shaw | EMT | Concierge | 1 | 1 |
| Frankie Rodriguez | Juan Cavanas | Morales | 1 | 1 |
| Jeremy Denzlinger | Airport Officer | Morgan | 1 | 1 |
| Michael Trotter | Dan Granger | Soldier #2 | 1 | 1 |
| Peter James Smith | Lou Durning | Landon | 1 | 1 |
| Saul Huezo | Miguel Diaz | The Sniper | 1 | 1 |
| Andrew Davoli | Billy Palmero | Joel Bowman | 1 | 1 |
| Ciro Suarez | Jeff Lofton | Officer Carranza | 1 | 1 |
| Geno Monteiro | Walter Phillips | Secret Service Agent | 1 | 1 |
| Jarrod Crawford | Officer | Mutt | 1 | 1 |
| Jayson Floyd | Sgt. Timothy Hicks | Tilly | 1 | 1 |
| Joel Polis | Agent Robert Wynn | Administrator | 1 | 1 |
| Kate Norby | Julie Sullivan | Pam | 1 | 1 |
| Mark Aiken | Colin Danville | Johansen | 1 | 1 |
| Michelle Anne Johnson | Valerie Adams | Support Tech | 1 | 1 |
| Ben Cain | Leonard | Mitchell | 1 | 1 |
| Bo Kane | Captain Adam Winston | Interviewer | 1 | 1 |
| Enrique Almeida | Gabriel Cervantes | Henchman | 1 | 1 |
| Larry Rippenkroeger | Sam Laskey | Agent #1 | 1 | 1 |
| Marcos De Silvas | Hotel Manager | Port Officer | 1 | 1 |
| Mark Kubr | Spicer | Rebel #2 | 1 | 1 |
| Bill Birch | Jack | Richard Faber | 1 | 1 |
| Gina Sorell | Nurse | Doctor | 1 | 1 |
| Jack Yang | Shawn Kimsey | Derek Chen | 1 | 1 |
| Jason Kaufman | Stan | Infantry Officer | 1 | 1 |
| Matt Doherty | Corey Burton | Henderson | 1 | 1 |
| Andrew Thacher | Reynolds | Policeman | 1 | 1 |
| Joleigh Fioravanti | Kristen Peralta | Gina | 1 | 1 |
| Breanna Cherie Wittman | Amanda | Caitlyn Price | 1 | 1 |
| Chase Ryan Jeffery | Bart | Sam | 1 | 1 |
| Luis Moncada | Julio Rentoria | Elias Lianez | 1 | 1 |
| David Ackert | Rafik Omad | Arif | 1 | 1 |
| Eltony Williams | Uniformed Petty Officer | Officer Hitchner | 1 | 1 |
| Kevin Fry | Carl Mercer | Tom Ryan's Stepfather | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.