All 67 actors in both 9-1-1 and CSI: Vegas
67 actors have appeared in both 9-1-1 and CSI: Vegas, across 184 episodes. The most-credited is Sara Amini, Becky in 9-1-1 and Sonya Nikolayevich in CSI: Vegas.
| Actor | In 9-1-1 | In CSI: Vegas | Eps | Eps |
|---|---|---|---|---|
| Sara Amini | Becky | Sonya Nikolayevich | 1 | 12 |
| Wallace Langham | Brian | David Hodges | 1 | 4 |
| Robert Curtis Brown | Ronald | Undersheriff Cade Wyatt | 1 | 4 |
| Romi Dias | Miranda Williams | Detective Lila Ortiz | 4 | 1 |
| David Young Lee | Sang Han | Building Super | 4 | 1 |
| Adela Paez | Nurse Camila | Gina | 6 | 1 |
| Bayley Corman | Tia | Dana | 3 | 1 |
| Nanrisa Lee | Ticket Agent | D.A. Lauren Tate | 1 | 2 |
| Sean Alexander James | Rudy | Detective Will Carson | 1 | 5 |
| Troy Winbush | Nathaniel Green | Janitor Bing | 3 | 1 |
| Peter Jang | Firefighter Logan | Thief Two | 3 | 1 |
| Joe Gillette | Dr. Clayton | Alan Herskovitz | 1 | 2 |
| Rich Ceraulo Ko | Officer Reyes | Mark | 1 | 2 |
| David Paladino | Instructor #1 | Adam Tyner | 1 | 4 |
| Kara Royster | Daphne B | Valerie Bianco | 1 | 1 |
| Natalee Linez | Felisa Valdez | Autumn Skye | 1 | 1 |
| Zach Tinker | Officer Matthew Sparks | Warren Bart | 1 | 1 |
| Tiffany C. Adams | Liz | Sasha Khan | 4 | 1 |
| Ali Eldin | Tito | Thief One | 1 | 1 |
| Charles Baker | Petey | Bill Dwyer | 1 | 1 |
| Cyd Strittmatter | Mallory | Eleanor Wilton | 1 | 1 |
| Dendrie Taylor | Magda | Theresa Clinton | 1 | 1 |
| Nina Millin | Yvette Sims, Esq. | Heather | 1 | 1 |
| Arye Gross | Nathan Levinson | Mr. MacArthur | 1 | 1 |
| Rushi Kota | Ravi | Damien Pak | 1 | 1 |
| Bryan Michael Nunez | Deputy Torros | Diego Montoya | 1 | 1 |
| Eric Allan Kramer | Kendall's Dad | Bob Auerbach | 1 | 1 |
| Jared Wernick | Craig Ellis | Kevin | 1 | 1 |
| John Gloria | LAPD Negotiator | Rick Yates | 1 | 1 |
| Ross Partridge | Daniel Cooper | Mark Ivanishvili | 1 | 1 |
| Shelly Bhalla | ICU Nurse | Dr. Laura Qadiri | 1 | 1 |
| Tom Parker | Alex | Lue Jasper | 1 | 1 |
| Brea Bee | Becca | Shelly Walker | 1 | 1 |
| Jennifer Lauren DiBella | Female Employee | Megan Twitty | 1 | 1 |
| Judy Kain | Trish | Dr. Heather Chumani | 1 | 1 |
| Mark Atteberry | Doctor | Ronald Winter Sr. | 1 | 1 |
| Nicole Dele | Cori Beckerson | Nicole | 1 | 1 |
| Tish Daniels | Ellen Tannor | Smitherman | 1 | 1 |
| Tristan Cunningham | Receptionist | CPS Agent | 1 | 1 |
| Wyndoline Landry | Fay | Sacha Thorpe | 1 | 1 |
| A.J. Tannen | Rodney | Roland Woodall | 1 | 1 |
| Al Coronel | LAFD Battalion Chief Navarro | Chip Tyler | 1 | 1 |
| Britt George | Foreman | Bart Flynn | 1 | 1 |
| Joshua Dov | Ted | Denny Trask | 1 | 1 |
| Justin Dray | Simon | Derek Smith | 1 | 1 |
| Nolan Bateman | Tony Bryson | Dante Tanner | 1 | 1 |
| Tunisia Hardison | Wendy | CPS Counselor | 1 | 1 |
| Jill Remez | Judge | Matilda Swanson | 1 | 1 |
| Keith Walker | Derrick | Jogger | 1 | 1 |
| Lauren Shaw | Amanda | Sandra King | 1 | 1 |
| Rueben Grundy | Booking Officer | Howard Rossman | 1 | 1 |
| Capri-Antoine Vaillancourt | Manolo | William | 1 | 1 |
| David Carrera | Attendee | Father | 1 | 1 |
| Eddie Blackwell | Lonnie Harris | Officer Ed Harris | 1 | 1 |
| Joseph Callari | Salesperson | Mr. Geice | 1 | 1 |
| Makyra Alexander | April | Gabi Sandoval | 1 | 1 |
| Tom Beyer | Minister | Prospector Guide | 1 | 1 |
| Nicole Fong | Diana Wu | Receptionist | 1 | 1 |
| Darren Dupree Washington | Male Firefighter #1 | Marty Eisenstein | 1 | 1 |
| Hanna-Lee Sakakibara | Ashley C | Jinny Lee | 1 | 1 |
| Michael Andrew Baker | Theo | Marv Haggis | 1 | 1 |
| Michael Fortin | Emcee | LVPD Armor Officer | 1 | 1 |
| Nicole Appleby | Evelyn | Mother | 1 | 1 |
| Walker Barnes | Neil Biscobing | Teenager | 1 | 1 |
| Elise Marie Dubois | Bank Teller | Chainsaw Woman | 1 | 1 |
| Curtis Nelson II | Dr. Corso | Pastor | 1 | 1 |
| Sol Romo | Aubrey | Rhonda Alvarez | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.