Recurring
Anthony Gonzales as Officer Rico Perez, Maddie's fellow officer with whom she develops a romantic relationship
Will Chase (season 1) and David Denman (seasons 1–2) as Kurt Dockweiler, a city inspector (Denman replaced Chase in season 2, and they reshot the character's scenes of season 1 to replace the original ones)
Danielle Larracuente as Paulina Calderon, Maddie's academy classmate, who is shot during a stop
David Moses as Martin "Marty" Rose, the name partner at the law firm where Honey practices, who is her mentor and confidant
Alex Loynaz as Matthew Ramirez, the receptionist at Honey's law firm
Jim Holmes as Emmett Archer, the District Attorney for LA
Len Cordova as Dr. Miguel Estevez, Chandler's therapist
Raff Anoushian as Leo Aslan, an associate of Carl Rogers who owns a shipping company
Lakin Valdez as Raul Arraya, a former client of Honey's
Bruce Davison as James Rafferty, Kurt Dockweiler's lawyer
Jason Dirden as Detective Morrison, Maddie and Vasquez's superior
Jessica Camacho as Jade Quinn, a hacker
Cora Welliver as Sam, a woman who walks Coltrane for Bosch
Stephanie Erb as Amanda Scones, Honey Chandler's lawyer
James Read as Captain Rick Seals, captain of RHD in the LAPD
Jeff Corbett as Judge Ronald Baker, an LA judge
Guy Garner as Judge Simon Newland, an LA judge
Michael Rose as Carl Rogers, a businessman responsible for the murder of a judge and Honey's shooting
Don Luce as Willy Datz, a mob boss affiliated with Carl Rogers
Sam Valentine as Jasmine, Carl Rogers' mistress
Paul Hipp as Glenn Kading, Carl Rogers' lawyer
Phil Morris as John Creighton, head of Trinity Security, a security company employed by Whitney Vance
William Devane as Whitney Vance, a billionaire engineer who hires Bosch for a personal matter
Andrew Korba as Philip Corwin, the new CEO of Whitney Vance's company
Kate Burton as Ida Porter, Vance's secretary
Steven Flynn as David Sloan, Vance's valet/butler
Terri Hoyos as Olivia MacDonald, the adopted daughter of Whitney Vance
Alma Martinez as Gabriela Lida, a photographer
Roxana Brusso as Vibiana Veracruz, Gabriela's daughter, an artist
Liam James Ramos as Gilberto Veracruz, Vibiana's son
Mark Rolston as Lt I Don Thorne, watch commander on Maddie's shift at the Hollywood Station
Tom Costello as Lt Cosgrove, a lieutenant in the LAPD with a shady past
Konstantin Melikhov as Alexei Ivanovich, a high-ranking member of the Bratva
Bogdan Yasinski as Lev Ivanovich, a high ranking enforcer for the Bratva
Marcus Giamatti as Simon Wakefield, Carl Rogers' financier
Mike Ostroski as Russ Pensak, an associate of Carl Rogers who owns an abandoned oil refinery
Joe Adler as Jeffery Herstadt, a client of Honey's
Hugo Armstrong as Detective Gustafson, the detective investigating Jeffery Herstadt
Carlos Arrellano as Detective Poydras, the detective investigating Whitney Vance's death
Reuben Lee as James Sharp, a suspect accused of shooting a police officer
Rafael Cabrera as Vince Harrick, a sheriff's deputy married to Lexi Parks
Kim Pettiford as Alexandra "Lexi" Parks, a murder victim
Patrick Brennan as David Foster, a client of Honey's accused of murder
Terryn Westbrook as Louise Foster, David Foster's wife
Anthony Michael Hall as Special Agent Will Barron, James' and Jones' superior
Max Martini as Det. Don Ellis, a corrupt detective attempting to discredit Honey
Guy Wilson as Det. Kevin Long, a corrupt detective working with Ellis
Jakki Jandrell and Julie Burrise as Ashley and Annie Bobsey, prostitutes affiliated with Ellis and Long
Heng Theng and Thom Tran as Peter and Paul Nguyen, brothers who own a jewelry store and are affiliated with Ellis and Long
Alex Castillo and Angelo Pagan as Det. Gene Santana and Det. Alton Duran, detectives investigating the murder of Lexi Parks
Jolene Kay as Agent Sylvia James, an FBI agent investigating Bosch and Chandler, Jones' partner
Vincent Laresca as Agent Lucas Jones, an FBI agent investigating Bosch and Chandler, James' partner
Ty Trumbo as James Allen, a prostitute and Foster's dealer
Patrick Day as George Schubert, a doctor affiliated with Ellis and Long
Eddie Yu as Brad Landreth, the DDA prosecuting David Foster
Miles Gaston Villanueva as Det. Perry Lopez, Robertson's new partner
Aisha Kabia as Michelle Carter, Honey Chandler's daughter
Daya Vaidya as Jen Kowski, Honey Chandler's campaign advisor
Eddie Steeples as Curtis Dignan, a parolee and CI of Bosch
Sophina Brown as Chief Hughes, the new chief of police
Jesse Gallegos as Nestor Gomez, a thief
Tommy Martinez as Albert Torres, a thief
Andrea Cortes as Victoria Hernandez, Albert's girlfriend, fence and lookout
Ricco Ross as Jon, a man robbed by Albert and Nestor
Orla Brady as Siobhan Murphy, a woman who hires Bosch to investigate the disappearance of her family
Dale Dickey as Sheila Walsh, a partner at the construction business owned by Siobhan Murphy's son-in-law
Michael Reilly Burke as Finbar McShane, a partner at the construction business owned by Siobhan Murphy's son-in-law
Julio Cesar Cedillo as Beto Orestes, a sheriff acquainted with Bosch
Matthew Downs as Stephen Gallagher, Siobhan Murphy's son-in-law
Christine Renaud as Kathleen Gallagher, Siobhan Murphy's daughter
Sophia Kopera as Kerry Gallagher, Siobhan Murphy's granddaughter
Ian Casselberry as Bing Crider, an ex-gangster affiliated with Finbar McShane
Jackie Kay as Chris, a public defender who enters a relationship with Maddie
Jeremy Glazer as Patrick Currey, an LA city councilman who comes into conflict with Chandler
Esteban Carmona as Diego Perra, a small-time criminal
Philip Anthony-Rodriguez as L. Roman Stallworth, Diego Perra's lawyer
Tim DeKay as Corvus Pike, a lawyer prosecuting Diego Perra
Victoria Gabrielle Platt as Raquel Bowers, a lawyer prosecuting Diego Perra
Zilah Mendoza as Mari Torres, Albert's mother, Reina Vasquez' sister
Manuel Uriza as Humberto Zorillo, a Mexican drug lord
Chris Bauer as Deputy Jack Garrity, a sheriff's deputy in league with Zorillo
Ruben Rabasa as Mr. Vasquez, Reina Vasquez' grandfather
Gonzalo Menendez as Ken Gurbizs, a former soldier in the same unit as Bosch
Alejandra Flores as Maria Hernandez, Victoria's mother
Carlos Alvarado as Esteban Hernandez, Victoria's father
Owain Yeoman as Jeremy McKee
Guest appearances are made by members of the Bosch cast, including Gregory Scott Cummins as Crate, Troy Evans as Barrel, Jamie Hector as Detective Jerry Edgar, DaJuan Johnson as Detective Rondell Pierce, Jacqueline Obradors as Detective Christina Vega, Cynthia McWilliams as Detective Joan Bennett, Alan Rosenberg as Dr. William Golliher, Scott Klace as Sgt. John "Mank" Mankiewicz. Jacqueline Pinol as Detective Julie Espinozsa and David Marciano as Det. Brad Coniff. Eric Ladin returned in Season 2 as Los Angeles Times reporter Scott Anderson, while Deji LaRay returned as Sgt. Julius Edgewood, now Maddie's superior. In the last episode of season 2, late actor Lance Reddick appeared a final time as Ret. Chief Irvin Irving following his death, while Chris Browning appeared again as Preston Borders, a criminal arrested by Bosch during his time as a detective. In the third-season premiere, Jamie McShane returned as Francis "Frank" Sheehan, a former detective fired after being exposed for police brutality. Later in the season, Juliet Landau returned as Rita Tedesco, Preston Borders' wife, while Verona Blue returned as Shaz, a bartender acquainted with Jimmy Robertson. Celestino Cornielle also returned as DEA Agent Charlie Hovan.
Welliver's younger son Quinn portrays Bosch as a child in Bosch; in Bosch: Legacy his elder son, Eamonn, portrays Bosch, now a young LAPD officer.