All 108 actors in both Bosch and ER
108 actors have appeared in both Bosch and ER, across 399 episodes. The most-credited is Troy Evans, Detective "Barrel" Johnson in Bosch and Frank Martin in ER.
| Actor | In Bosch | In ER | Eps | Eps |
|---|---|---|---|---|
| Troy Evans | Detective "Barrel" Johnson | Frank Martin | 59 | 129 |
| Abraham Benrubi | Rodney Belk | Jerry Markovic | 5 | 137 |
| Scott Klace | Sergeant John "Mank" Mankiewicz | Chris Halpern | 49 | 1 |
| Steven Culp | DA Richard "Rick" O'Shea | Dave Spencer, Dr. Charles Cameron | 18 | 5 |
| John Marshall Jones | Special Agent Jay Griffin | Mr. Gaither | 12 | 1 |
| Eric Ladin | Scott Anderson | Pvt. Thomas Perry | 14 | 1 |
| Erika Alexander | Connie Irving | Vatima Abika | 10 | 1 |
| Robbie Jones | Officer George Irving | Jermaine Bennett | 9 | 1 |
| Julie Ann Emery | FBI Agent Sylvia Reece | Paramedic Niki Lumley | 10 | 6 |
| Alan Rosenberg | Dr. William Golliher | Sam Gasner | 5 | 1 |
| Deji LaRay | Officer Julius Edgewood | Tye Reynolds | 23 | 1 |
| Michael B. Silver | Colby Mintz | Dr. Paul Myers | 1 | 12 |
| Richard Brooks | Dwight Wise | Mr. Freeman | 9 | 1 |
| Michelle Hurd | Connie Irving | Courtney Brown | 1 | 6 |
| Jonathan Scarfe | Andy Fink | Chase Carter | 1 | 8 |
| Christopher Cousins | Martin Weiss | Kyle Kolber | 4 | 1 |
| Jamie McShane | Francis "Frankie" Sheehan, Lieutenant Pounds | Josh Rushing | 9 | 1 |
| Max Arciniega | Xavier Moreno | Nick Vasquez | 7 | 1 |
| Mark Rolston | Lieutenant Donald Thorne | Officer Thomas | 9 | 1 |
| Barbara Eve Harris | Capt. Marsha Macken | Sakina, Mrs. Kendrick | 2 | 3 |
| George Gerdes | Ray Scales | Jim Riley | 3 | 2 |
| Kent Shocknek | Newscaster | Newsreporter | 7 | 1 |
| Michael Patrick McGill | Detective John Iverson | Detective Ed Bernstein, Security #1, Officer Jeffries | 3 | 6 |
| Erich Anderson | Phil Gentry | Mr. Bradley | 6 | 1 |
| Judith Moreland | DA Roselyn Hines | Nurse Terry | 6 | 1 |
| Veronica Cartwright | Irene Saxon | Norma Houston | 4 | 2 |
| Shawn Hatosy | Johnny Stokes | Willis Peyton | 3 | 1 |
| Barry Shabaka Henley | Terry Drake | Detective | 6 | 1 |
| Paul Vincent O'Connor | Judge Alvin M. Keyes | tbd | 4 | 1 |
| Pat Skipper | Samuel Delacroix | Carl Dayton | 4 | 1 |
| Billy Lush | Stones | Benny | 5 | 1 |
| Monti Sharp | Clifton Campbell / Man on Bike / KTK | Henry | 10 | 1 |
| Iqbal Theba | Dr. "Chemical Ali" Rohat | Dr. Zogoiby | 1 | 4 |
| Al Vicente | Detective Ray Marcos | Luis | 7 | 1 |
| Andy Umberger | Burton DeVore | Dr. David Harvey | 2 | 2 |
| Bambadjan Bamba | Remi Toussaint | Psychotic | 6 | 1 |
| Bill Bolender | Dean | Hank Riley | 2 | 2 |
| Carter MacIntyre | FBI Agent Clifford Maxwell | Wallace | 5 | 1 |
| David Barrera | Detective Stan Pipes | Felix Hernandez | 3 | 1 |
| Ming Lo | Lt. Howard Lau | Lindsey Jang | 3 | 1 |
| Wilmer Calderon | Detective Daniel Arias | Mickey Stubbs | 7 | 1 |
| Jerry Zatarain Jr. | Abe Rodriguez | Manny Salazar | 5 | 1 |
| Deidrie Henry | Millie Elias | Nichelle Richardson | 4 | 1 |
| Ntare Guma Mbaho Mwine | Craig | Assistant D.A., Paul Traylor | 2 | 2 |
| Sean Blakemore | Captain John Felton | Mario | 3 | 1 |
| M.C. Gainey | Ryan Rodgers | Darrion Walters | 4 | 1 |
| Isait De La Fuente | Nestor Delgado | Nathan Perez | 6 | 1 |
| Nestor Serrano | Detective Frank Silva | David Torres, CDC | 2 | 1 |
| Arthur Darbinyan | Krikorian | Mr. Papazian | 2 | 1 |
| Beth Broderick | Judge Sharon Houghton | Edith Landry | 2 | 1 |
| Anne Dudek | Pamela Duncan | Paula Gamble | 3 | 1 |
| C. Thomas Howell | Louis Degner | Vincent Jansen | 3 | 1 |
| Valeri Ross | Judge | McGillis | 1 | 4 |
| Alejandro Patiño | Juan Rulfo | Best Man | 3 | 1 |
| Burt Bulos | Chastain | Lovejoy | 1 | 4 |
| Dohn Norwood | George Langworthy | MP, Mr. Persky | 1 | 2 |
| Gina Gallego | Dr. Renata Garcia | Instructor | 2 | 1 |
| Scott MacDonald | Tom Riddell | Ambulance Driver, Detective | 1 | 2 |
| Frederick Koehler | Mark Taylor | Benjamin Coe | 1 | 1 |
| Nancy Linehan Charles | Annette McKay | Glenda Walton | 1 | 1 |
| Peter James Smith | McCarty | Mr. Shimahara | 3 | 1 |
| Jeff Kober | John "The Baptist" McMullen | Stuart | 1 | 1 |
| Lily Knight | Barbara Thorn | Mary Cochran | 1 | 1 |
| Rocky McMurray | Rick Jackson | Sergeant Myers | 3 | 1 |
| Tzi Ma | Brent Charles | Mr. Yeung | 2 | 1 |
| Nancy Linari | Liz Fleischer | Elizabeth Puro | 2 | 1 |
| Terrah Bennett Smith | Naomi Wise | Annie Dixon | 2 | 1 |
| Carlos Lacamara | Lt. Vincent Serrano | Ron Kennedy | 1 | 1 |
| Kovar McClure | Dr. Stanley Kent | Young Dr. Oliver Kostin | 2 | 1 |
| Ajgie Kirkland | Teddy Hobbs | Monty | 3 | 1 |
| Liz Burnette | Charmaine Villaflor | Dr. Maya Tenison | 1 | 1 |
| Tim Powell | Oliver Baron | Mannon | 1 | 1 |
| Frank Clem | Edward Gunn | Turner | 2 | 1 |
| Ricardo J. Chacon | Jail Deputy | Eddie | 2 | 1 |
| Kevin Sifuentes | Jose Esquivel, Sr. | MacGee | 3 | 1 |
| Arnell Powell | David Warren | Del | 1 | 1 |
| Dagney Kerr | Archives Clerk | Hedda Lanford | 1 | 1 |
| Thomas Rosales, Jr. | Mexican OG | Orderly Enriquez | 1 | 2 |
| Esther K. Chae | Aubrey Strenstrom | Reporter Justine | 1 | 2 |
| Alan Blumenfeld | Larry Markoff | Rob Savage | 1 | 1 |
| Chelsea Rendon | Elena Flores | Araceli | 1 | 1 |
| Garikayi Mutambirwa | Beckelman | John Deere Boy | 1 | 1 |
| Judy Kain | Lois | Thomas | 1 | 1 |
| Michael Kostroff | Hank Myers | Community Theater Director | 1 | 1 |
| Anoush NeVart | Mrs. Sarkisian | Sarshad | 1 | 1 |
| Carole Gutierrez | Judge | Landlady | 1 | 1 |
| Chris Ufland | Bruce MacVittie | Mr. Perry | 1 | 1 |
| Harvey J. Alperin | Judge Kehoe | Dr. Saunders | 1 | 1 |
| Laura Jane Salvato | Mom | Kathy Murphy | 1 | 1 |
| Nick Jaine | Nick Bassi | Scrub Nurse | 1 | 1 |
| Sean Christopher Davis | Det. Rick Thompson | Detective Maskins | 1 | 1 |
| Steven Lee Allen | Central Det. Bob Flynn | Contractor | 1 | 1 |
| Susan Angelo | Cheryl Prescott | Mrs. Frum | 2 | 1 |
| Atticus Todd | Jerry | Chris Sakabu | 1 | 1 |
| Rif Hutton | Matt Denton | Mr. Royston | 1 | 1 |
| Carol Avery | Georgia Cole | Betty | 1 | 1 |
| Jos Viramontes | Sergeant Justin "Beto" Frank | Paul | 1 | 1 |
| Martin Garcia | Metro Captain | Airline Employee | 1 | 1 |
| Miguel Pérez | Abel | Santiago Escalona | 1 | 1 |
| Stephanie Erb | DDA Amanda Scones | Mrs. Kinney | 1 | 1 |
| Bob McCracken | Hal Meadows | Ring | 1 | 1 |
| Judy Jean Berns | Melinda McCrate | Mrs. Fredriksson | 1 | 1 |
| Sandra Cevallos | Judge Roberta Vasquez | Stacey | 1 | 1 |
| John F. Schaffer | Pudgy John | Drooling Patient | 1 | 1 |
| Bob Glouberman | Detective Potter | Jeff | 1 | 1 |
| Jackie Torres | Gladys | Mother | 1 | 1 |
| Michael Albala | Jansen | County Anesthesiologist | 1 | 1 |
| James Martin Kelly | Bill Frank | Mednick | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.