All 157 actors in both CSI: Crime Scene Investigation and Shark
157 actors have appeared in both CSI: Crime Scene Investigation and Shark, across 375 episodes. The most-credited is Alex Carter, Detective Vartann in CSI: Crime Scene Investigation and Alan Boyd in Shark.
| Actor | In CSI: Crime Scene Investigation | In Shark | Eps | Eps |
|---|---|---|---|---|
| Alex Carter | Detective Vartann | Alan Boyd | 39 | 2 |
| Carlos Gómez | Carlos Perez | Mayor Manuel Delgado | 1 | 12 |
| Jeffrey D. Sams | Det. Cyrus Lockwood | Julian Cook | 9 | 2 |
| Geoffrey Rivas | Det. Sam Vega | Detective Roja | 20 | 1 |
| Shaun Sipos | Daniel Peidre | Trevor Boyd | 1 | 7 |
| Ivar Brogger | Jacob Wolf | Judge Kenneth Woodruff | 1 | 4 |
| Matt Lanter | Ryan Lansco | Eddie Linden | 1 | 3 |
| Ron Glass | Paul Lomax | Judge Stewart Fenton | 1 | 3 |
| Titus Welliver | Mark Gabriel | Dexter Modene | 3 | 1 |
| Judith Scott | Dr. Jenna Williams | Dr. Laura Fields | 6 | 1 |
| Joan McMurtrey | Mrs. Marlowe | Carla Sussman | 1 | 2 |
| Sherry Stringfield | Dawn Banks | Nora March | 1 | 2 |
| Glenn Morshower | Sheriff Brian Mobley | LAFD Deputy Chief Don Alston | 7 | 1 |
| Michael B. Silver | Prosecutor | Dan Lauter | 1 | 4 |
| Paula Marshall | Ms. Kathy Veck | Jordan Westlake | 1 | 3 |
| Scottie Thompson | Lieutenant Debra Hughes | Leslie Purcell | 1 | 1 |
| John Getz | Bill Harvey, Richard Zeigler | Judge Lee Nicholas | 2 | 1 |
| Mark Sheppard | Dimitri Sadesky, Rod Darling | Rupert Stone | 2 | 1 |
| Željko Ivanek | Melton | Elliott Dasher | 1 | 2 |
| Jonathan Banks | Bobby Jensen | Jason Normandy | 2 | 2 |
| Benito Martinez | Gabriel Ortiz | Agent Juarez | 1 | 1 |
| Illeana Douglas | Ruby Banks | Gloria Dent | 1 | 2 |
| Jeff Sugarman | Dr. Mulligan | Greg Alderson | 2 | 1 |
| John Kapelos | Duke Rittle | Presiding Officer | 1 | 2 |
| John Rubinstein | Judge Crawford, Priest | Lance Horning | 2 | 1 |
| Lindsay Frost | Marjorie Wescott | Claire Stark | 1 | 1 |
| Mark Deklin | Ryan Miller | Peter Rhodes | 1 | 1 |
| Monique Gabriela Curnen | Xiomara Garcia | Claudia Reyes | 3 | 1 |
| Robert Curtis Brown | Dan Keaton | Morgan Ride | 1 | 2 |
| Tracy Middendorf | Belinda Martin, Bridget Willis | Wendy Phillips | 2 | 1 |
| Amy Aquino | A.D.A. Valerie Nichols | Judge Kelly Grant | 3 | 1 |
| H. Richard Greene | Art Weber | Judge Trevor C. Williams | 1 | 2 |
| Jennifer Aspen | Mrs. Ramsey, Stacy Cano | April George | 2 | 1 |
| Patrick Kilpatrick | Cesar Dabo, Gary Lee Walt | Paul Masters | 2 | 1 |
| Raphael Sbarge | Aaron Laner, Donald Fiore | Christopher Hoffs | 2 | 1 |
| Tim Matheson | Oliver Tate, Oliver Tate / Anonymous | Judge Andrew Bennett | 2 | 1 |
| Arielle Kebbel | Blonde Teen | Sydney Blair | 1 | 1 |
| Carlo Rota | Karl Schrute | Anton Robitaille | 1 | 1 |
| Don Swayze | Dave Bohr | Beau Dawkins | 1 | 1 |
| Jos Viramontes | Public Defender | Professor Anthony Ramirez | 1 | 1 |
| Leland Orser | Morris Pearson | Brent Gilroy | 1 | 1 |
| Mark Totty | Clint Owen | Zach Holbrook | 1 | 1 |
| Melissa Leo | Sybil Perez | Elizabeth Rourke | 1 | 1 |
| Meredith Monroe | Sister Bridget | Nina Weber | 1 | 1 |
| Nicholas Braun | Neal Monroe | Craig | 1 | 1 |
| Brianna Brown | Jane Galloway, Paula Bingham | Carrie Reed | 2 | 1 |
| Chris Mulkey | Maurice Gallows, Mr. Young | Sheriff Griffin | 2 | 1 |
| Colby French | Officer Davis | Carl Wilson | 2 | 1 |
| Mimi Michaels | Tiffany Cohen | Jenny Dennison | 2 | 1 |
| Sandra Hess | Mandy Klinefeld | Whitney | 2 | 1 |
| Tyler Kain | Audrey, Christin Gillis | Jamie Dressler | 2 | 1 |
| Brenda Strong | Dr. Leigh Sapien | Olivia Hartnell | 1 | 1 |
| Eric Ladin | Delf Rod | Ronald Harper | 1 | 1 |
| John de Lancie | General Robert Lansdale | Warren Kovak | 1 | 1 |
| Marta Martin | Sharon Kohler, Suzi Bergh | Arlene Castro | 2 | 1 |
| Michael Hyatt | Jolene Newman | Ruth Hartford | 1 | 1 |
| Patrick Fabian | Rhone Confer | Dr. Charlie Bender | 1 | 1 |
| Paul Ben-Victor | Joey | Ricky Rago | 1 | 1 |
| Rodney Eastman | Jacob Warren, Keith Driscoll | Charlie Davis | 2 | 1 |
| Suzanne Cryer | Dr. Jennifer Grier | Andrea Crosby | 1 | 1 |
| Tom Virtue | Doctor, George | Larry Reiner | 2 | 1 |
| Amy Scott | Teen Catherine, Young Catherine | Amy | 2 | 1 |
| Nestor Serrano | Detective Ortega | Duke Ballantine | 2 | 1 |
| Terrell Tilford | Adrian Graham, George Craven | Randal Hairston | 2 | 1 |
| Tom Wright | Bob Harris, Jake Daniels | Deputy Police Chief George Martinson | 2 | 1 |
| Chris Johnson | Chuck Darwell | Brandon Cole | 1 | 1 |
| Christopher Cousins | Ken Wallace | Richard Metcalfe | 1 | 1 |
| Coby Ryan McLaughlin | Derk Barlow | Ben Melvin | 1 | 1 |
| Eddie McClintock | Finn Thomas | Tom Brandt | 1 | 1 |
| Kenneth Choi | Jason Tua | Kirk Bagley | 1 | 1 |
| Lisa Sheridan | Crystal Coombs | Marcy Danner | 1 | 1 |
| Michael Beach | Harbor Patrol SD Scinta | Lester Spence | 1 | 1 |
| Michael Massee | Stan Richardson | Duncan Mercer | 1 | 1 |
| Ray Wise | Ernest Chase | Lloyd Holcomb | 1 | 1 |
| Thomas Dekker | Jimmy Jones | Ben Channing | 1 | 1 |
| Vernée Watson | Manager | Judge Miriam Keller | 1 | 1 |
| Andy Mackenzie | Badger, Teddy | Jake Forman | 2 | 1 |
| Sam Witwer | Officer Casella | Richard Lee Franco | 2 | 1 |
| Allison Dunbar | Rachel Carson | Maria Correlli | 1 | 1 |
| Bobby Hosea | Negotiator, Rick Reeba | Bartender | 2 | 1 |
| Brady Smith | Tom Layman | Carl Lisco | 1 | 1 |
| Caroline Aaron | Mrs. Steiner | Judge Sylvia Howard | 1 | 1 |
| Chad Todhunter | Trent Reager | Jeffrey Wharton | 1 | 1 |
| Chris Payne Gilbert | Peter Berglund | Rob Bishop | 1 | 1 |
| Dale Dickey | Waitress | Nancy Padget | 1 | 1 |
| Danielle Bisutti | Theresa Shea | Francis Chambers | 1 | 1 |
| David Clayton Rogers | Bruce Ortolani | Brody Miller | 1 | 1 |
| Dennis Boutsikaris | Dr. Sidney Buckman | D.A. Lester Rivers | 1 | 1 |
| Heather McComb | Tara Matthews | Janet Butler | 1 | 1 |
| Jeffrey Nordling | Mark Thayer | FBI Special Agent Oliver Hayes | 1 | 1 |
| Kathleen York | A.D.A. Hardt | Jillian Parks | 1 | 1 |
| Kevin Durand | Conner Daly | Rick Carris | 1 | 1 |
| Kurt Fuller | Sheriff Ned Bastille | Ben Bentley | 1 | 1 |
| Laurie O'Brien | Mrs. Meyers | Amanda Morton | 1 | 1 |
| Paul Schulze | Surgeon | Ted Jeffries | 1 | 1 |
| Robert LaSardo | Emilio Alvarado | Hector Hernandez | 1 | 1 |
| Stacy Edwards | Vicki Winston | Gail Buckner | 1 | 1 |
| Steven Eckholdt | John Dudek | Dr. Mitchell Sterling | 1 | 1 |
| William Stanford Davis | Mechanic William | Sonny Gore | 1 | 1 |
| Wolfgang Puck | Wolfgang Puck | Wolfgang Puck | 1 | 1 |
| Al Sapienza | Logan's Attorney | Simon Bernhardt | 1 | 1 |
| Albie Selznick | Hugh Young | Warren Dowd | 1 | 1 |
| Bryce Johnson | Mark Baker | Josh Carpenter | 1 | 1 |
| Chris William Martin | Pilot Kirk Harmon | Ryan Stafford | 1 | 1 |
| Cullen Douglas | Manager | Peter Mirsky | 1 | 1 |
| Deidrie Henry | Terri Royce | Detective Garland | 1 | 1 |
| Elizabeth Lackey | Amanda Haynes | Jennifer Randolph | 1 | 1 |
| Johnny Lewis | Tad Sidley | Michael Hackford | 1 | 1 |
| Michael J. Pagan | Reggie Hatcher | Anthony Rand | 1 | 1 |
| Michael Reilly Burke | Stuart Coombs | Stuart Buckner | 1 | 1 |
| Nathan Anderson | Tom Finnerty | Sam Purcell | 1 | 1 |
| Owen Beckman | Kieran Clark | Frank Cooley | 1 | 1 |
| Paul Greene | Len Young | Scott Ransom | 1 | 1 |
| Ray Proscia | John Himmel | Auctioneer | 1 | 1 |
| Richard Burgi | Rick Weston | Dr. Neil Fuller | 1 | 1 |
| Rick Hoffman | Michael Raykirk | Sam Harris | 1 | 1 |
| Scott Michael Campbell | Union Soldier | Tommy Callison | 1 | 1 |
| Troy Ruptash | Lou Beltran | Mike Brigham | 1 | 1 |
| Anjul Nigam | Rajeeb Khandewahl | Alex Neuville | 1 | 1 |
| David Andriole | Terry Rivers | Mickey Rafferty | 1 | 1 |
| Karl Makinen | Kyle Planck | LAFD Captain Joe Stevens | 1 | 1 |
| Megan Hilty | Kiwi Long | Laurel Hasbrouck | 1 | 1 |
| Michael Mantell | Dr. Stevens | Norman Elby | 1 | 1 |
| Neil Hopkins | Donny Drummer | Garrett Blake | 1 | 1 |
| Rusty Schwimmer | Lorna Tenney | Wendy Dunmiller | 1 | 1 |
| Steven Brand | Dr. Malaga | Eli Weber | 1 | 1 |
| Baadja-Lyne Odums | Clucker #3, Fran | Older Woman | 2 | 1 |
| Aaron Hill | Carter Grable | Jock #2 | 1 | 1 |
| Adam Lieberman | Dwight Connor | Detective | 1 | 1 |
| Andy Umberger | Rob Rhoda | Dr. Bennett Flynn | 1 | 1 |
| Christina Chambers | Vicki Mercer | Rachel Conway | 1 | 1 |
| Christinna Chauncey | Lori | Nancy Lisco | 1 | 1 |
| Ion Overman | Female Reporter | Laura Montez | 1 | 1 |
| Jodi Carlisle | Jimmy's Mom | Judge | 1 | 1 |
| Jon Sklaroff | Punky Dillinger | Deno Orr | 1 | 1 |
| Joseph Will | Walt Braun | Detective Moreno | 1 | 1 |
| Laura Leigh Hughes | Mrs. Sorensen | Natalie Warner | 1 | 1 |
| Lisa Thornhill | Chloe Daniels | Stephanie Downing | 1 | 1 |
| Mark Rolston | Sheriff | Cade Berlinger | 1 | 1 |
| Phillip Rhys | Prince Hamad Al Maktoum | Philip Singh | 1 | 1 |
| Scott Paulin | Dr. Parker | Craig Deering | 1 | 1 |
| Brett Rickaby | Maintenance Man | Hank Gibbons | 1 | 1 |
| Clifton Powell | Terrance Crowley | Ray Tillman | 1 | 1 |
| James Immekus | Travis Kilborn | Monte Ballantine | 1 | 1 |
| Michael Raynor | Alvin Macalino | Joe Bertelsen | 1 | 1 |
| Paul Schackman | Bob Martin | Dr. Kevin Phelps | 1 | 1 |
| Rick Peters | Jerry Walden | Rob Demato | 1 | 1 |
| Robin Thomas | Bill Dorton | Evan Kendall | 1 | 1 |
| Roy Jackson | N.D. Officer | Sheriff's Deputy #2 | 1 | 1 |
| Sterling Macer, Jr. | Frank Damon | Officer Lloyd Carpenter | 1 | 1 |
| Carla Jimenez | Juror #1 | Jury Foreperson | 1 | 1 |
| John D'Aquino | Gavin Fenish | Ty Bennings | 1 | 1 |
| Matt Kaminsky | Stewart Bradley | Seth Archer | 1 | 1 |
| Trever O'Brien | Peter | Greg Bonner | 1 | 1 |
| Kimble Jemison | Valet | 2nd Juror | 1 | 1 |
| Shirley Jordan | Deputy | Judge Vivian Bell | 1 | 1 |
| Tony Daly | Valet | Gordie Brock | 1 | 1 |
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Cast data from TVmaze, licensed CC BY-SA 4.0.