All 102 actors in both Station 19 and The Rookie
102 actors have appeared in both Station 19 and The Rookie, across 249 episodes. The most-credited is Lisseth Chavez, Kathleen in Station 19 and Celina Juarez in The Rookie.
| Actor | In Station 19 | In The Rookie | Eps | Eps |
|---|---|---|---|---|
| Lisseth Chavez | Kathleen | Celina Juarez | 2 | 19 |
| Jayne Taini | Marsha Smith | Elderly Woman | 15 | 1 |
| Sterling Sulieman | Grant | Ben Owens | 9 | 1 |
| Emerson Brooks | Robel Osman | Thomas Forsythe | 7 | 1 |
| Colleen Foy | Inara | Olivia's Mother | 14 | 1 |
| Shane Hartline | John Maddox | Todd | 12 | 1 |
| Tricia O'Kelley | Kitty Dixon | Martha Nithercott | 7 | 1 |
| Peter Onorati | Snuffy Souza | Officer Jerry McGrady | 6 | 1 |
| Rigo Sanchez | Rigo Vasquez | Salvador Arroyo | 9 | 1 |
| Robert Curtis Brown | Paul Montgomery | Roger Nithercott | 8 | 1 |
| Alain Uy | Captain Pete Aquino | Dahrio Salonga | 7 | 1 |
| Jeffrey D. Sams | Bill Miller | Dr. Solomon Lowell | 5 | 3 |
| Cameron Cowperthwaite | Mason Bishop | Jesse Long | 4 | 1 |
| Antonio Jaramillo | Tomás Silva | Robert Ortiz | 3 | 1 |
| Drew Rausch | John Finch | Sheriff Steve McNeese | 4 | 1 |
| Adam J. Harrington | Lane Bishop | Helicopter Pilot | 3 | 1 |
| Heather McComb | Rachel Burke | Marilyn Tenni | 1 | 1 |
| Ivana Shein | Katherine Bishop | Sylvia | 4 | 1 |
| Jee Young Han | Charlotte Dearborn | Nancy Wu | 2 | 1 |
| Rebecca Field | Hannah Sherwood | Sarah Murphy | 1 | 1 |
| Tom Wright | Battalion Chief Gregory | Colin Hall | 3 | 1 |
| Larry Poindexter | Chief McAllister | Lieutenant Primm | 3 | 1 |
| Michael Cassidy | Peter | Caleb Wright | 1 | 2 |
| Elena Campbell-Martinez | Mrs. Ortega | Doctor Morales | 1 | 1 |
| Erica Piccininni | Tiffany | Regina Olsen | 1 | 1 |
| Joe Nieves | Incident Commander Nalley | Conrad Bataglia | 1 | 1 |
| Sarah Oh | Jenna Matson | Dog Owner | 3 | 1 |
| Marisela Zumbado | Maritza Zamora | Leilani | 2 | 1 |
| Melissa Marty | Michelle Alvarez | Firefighter Kayla | 3 | 1 |
| Derek Smith | Jim Neely | Connor Hart | 1 | 2 |
| Dohn Norwood | Captain Ted Conlin | Deacon Joe | 1 | 1 |
| Geoffrey Rivas | Mr. Ortega | Howard Green | 2 | 1 |
| Grant Harvey | Joshua | Cole Midas | 1 | 1 |
| John Ross Bowie | Paul | Alan | 1 | 1 |
| Keli Daniels | Principal Linsley | Marilyn Christian | 1 | 1 |
| Onahoua Rodriguez | Mari | Estudio Forma Manager | 1 | 1 |
| Phillip Garcia | Nate | Jorge | 1 | 1 |
| Randy Vasquez | Captain Vinnie | Carl Breeze | 1 | 1 |
| Tim Ransom | Charles | Creighton Mitchell | 1 | 1 |
| Antonio Leon | Eduardo | Judge William Abassi | 1 | 1 |
| Chris Brochu | Brenton | Crispin Bowers | 1 | 1 |
| Christine Lakin | Emmanuelle | Camille Baudelaire | 1 | 1 |
| Dave Florek | Vince Beckett | R.J. | 1 | 1 |
| Linara Washington | Mary | Alice Hicks | 1 | 1 |
| Matthew Boylan | Employee | Junkie | 1 | 1 |
| Michael B. Silver | Parker Lowther | Special Agent Wyck Byrd | 1 | 1 |
| Michael Dempsey | Captain Josh Mesnik | Captain Howard Jennings | 1 | 1 |
| Ramón de Ocampo | Jaime | Craig's Brother | 1 | 1 |
| Tangie Ambrose | Mrs. Monroe | Drunk Woman | 1 | 1 |
| Debbie Fan | Meeting Leader | Doctor | 1 | 2 |
| Alyshia Ochse | Leigh | Heather | 1 | 1 |
| Benito Martinez | Chief Gonzalez | Judge Daniel Rivas | 1 | 1 |
| Brian Letscher | Agent Prine | US Marshal Kip Wilcox | 1 | 1 |
| Danny Brown | Stella | Melody | 1 | 1 |
| Drew Powell | Fowler | Eric 'Knuckles' Mills | 1 | 1 |
| James Eckhouse | Mr. Sorensen | Lt. Landon Briggs | 1 | 1 |
| Jim Ortlieb | Harry | Judge Stevens | 1 | 1 |
| Kurt Yaeger | Carl Swaminathan | Graham Ross | 1 | 1 |
| Matthew Jones | Proctor | Judge Sinclair | 1 | 1 |
| Ryan Dorsey | Eddie | Everest Jones | 1 | 1 |
| Tina Ivlev | Libby | Ellen Dayton | 1 | 1 |
| Anthony Molinari | Officer Patterson | Bomb Squard Mike | 1 | 1 |
| Boone Platt | Firefighter Cook | Darrell | 1 | 1 |
| Darri Ingolfsson | Matthew | Benjamin Lassie | 1 | 1 |
| Ian Stanley | Officer Anderson | Max | 1 | 1 |
| Lenny Jacobson | Jeff | Earl | 1 | 1 |
| Lucas Armendariz | Max | Swimming Boy | 1 | 1 |
| Mac Brandt | Agent Baxter | Bank Robber | 1 | 1 |
| Peter James Smith | Vince | Paul | 1 | 1 |
| John Billingsley | Lloyd | Kevin Scott | 1 | 1 |
| Jon Curry | Reese | Cosgrove | 1 | 1 |
| Kevin Daniels | Kyle Martin | Officer Wilkie | 1 | 1 |
| Michael Patrick McGill | Bob | Harvey | 1 | 1 |
| Michael Shen | Charlie | Window Employee | 1 | 1 |
| Patrick Cage | Raphael | Jonah Cahill | 1 | 1 |
| Steven Allerick | Marco | Bo | 1 | 1 |
| Cary Christopher | Towheaded Boy | Joshua | 1 | 2 |
| Bob Glouberman | James Pope | Larry Ellis | 1 | 1 |
| Emily Chang | Penelope | Ghost Hunter #2 | 1 | 1 |
| Lily Mae Harrington | Holly | Lacey | 1 | 1 |
| Lucius Baybak | Gabe Neely | Benjamin | 1 | 1 |
| Meredith Scott Lynn | Hattie | Sheila Moore | 1 | 1 |
| Remington Hoffman | Sting Ray | Hell P.D. Actor | 1 | 1 |
| Roxy Wood | Izzy Packing | Sue | 1 | 1 |
| Trenton Rostedt | Protester #1 | Brendan Mitchell, Cody | 1 | 2 |
| Alyson Reed | Virginia | Tenant #1 | 1 | 1 |
| Amanda Wyss | Laura | Meredith Russell | 1 | 1 |
| Chris Wu | Employee #1 | Na'vi | 1 | 1 |
| Chuck McCollum | Neighbor | Wayne | 1 | 1 |
| George Tsai | Detective Chen | Crater Street House Father | 1 | 1 |
| Jared Egusa | Bartender | Brett | 1 | 1 |
| Jorge-Luis Pallo | Beto | Hugo | 1 | 1 |
| Myra Cris Ocenar | Moderator | Nurse | 1 | 1 |
| Joe Corzo | Greene | Don Hughes | 1 | 1 |
| Keylor Leigh | Rachel Del Rio | Cleo | 1 | 1 |
| Monnae Michaell | Mrs. Brady | Mrs. Richards | 1 | 1 |
| Nancy Linehan Charles | Shirley | Ghost Lady | 1 | 1 |
| Adam Kang | Tom | Freddy | 1 | 1 |
| Dennis Keiffer | Random Guy | Brenner Plank | 1 | 1 |
| Briella Guiza | Erica Garcia | Charlotte | 1 | 1 |
| Anton Narinskiy | Scott | Shawn Miller | 1 | 1 |
| Julienne Irons | Police Officer 2 | Detective Boyd | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.