All 91 actors in both 9-1-1 and This Is Us
91 actors have appeared in both 9-1-1 and This Is Us, across 249 episodes. The most-credited is Megan West, Taylor Kelly in 9-1-1 and Heather in This Is Us.
| Actor | In 9-1-1 | In This Is Us | Eps | Eps |
|---|---|---|---|---|
| Megan West | Taylor Kelly | Heather | 20 | 3 |
| Isabella Rose Landau | Daughter | Kate (6 y/o) | 1 | 20 |
| La Monde Byrd | David Hale | Congressman Andrew Reeves | 11 | 1 |
| Briana Venskus-Vazquez | Dawn | Vanessa | 4 | 2 |
| Judy Kain | Trish | Barbara | 1 | 1 |
| Ronobir Lahiri | Captain Jeshan Mehta | Garuda Singh | 4 | 1 |
| Reggie Watkins | Detective Clifford Dixon | Shooter | 1 | 3 |
| Donnie Masihi | Trenton | Young Nicky | 1 | 4 |
| Alexis Krause | Justine Zerbiak | Laura | 1 | 1 |
| Assaf Cohen | Ellis | Dr. David Monroe | 1 | 1 |
| Elena Campbell-Martinez | Dr. Heller | Nurse | 2 | 1 |
| Jonathan Grebe | Paramedic John | EMT | 4 | 1 |
| Kim Estes | Clive Wexler | Marcus Duncan | 2 | 1 |
| Terryn Westbrook | Nancy Cook | Natasha, Ashley | 1 | 3 |
| Aynsley Bubbico | Polly Martin | Shay | 1 | 5 |
| Maury Morgan | Ivy | Liz | 1 | 3 |
| Anthony Turpel | Freddie | Assistant | 2 | 1 |
| Dawnn Lewis | Detective Danvers | Rosemary / Apartment 3 Resident | 1 | 2 |
| James Moses Black | Carl Peters | Reverend Hawley | 1 | 2 |
| Tom Virtue | Tire Store Employee | Dr. Grader | 1 | 2 |
| John Rubinstein | Melvin | Ron Schiller | 1 | 3 |
| Mark Jacobson | Young Dad | Terrance | 1 | 1 |
| Meryl Hathaway | Jackie | Linda | 1 | 1 |
| Brandee Steger | Stacy | Improv Actor | 1 | 1 |
| Brian Oblak | Harbormaster | Joe | 1 | 2 |
| Carlos E. Campos | Person in the Crowd | Pharmacist | 1 | 1 |
| David DeLuise | Tom Gladden | Bill Lundy | 1 | 1 |
| Gayla Johnson | Dr. Margaret Simmons | Dr. Halma | 3 | 1 |
| Joshua Malina | Asher Montridge | Car Crash Victim | 1 | 1 |
| Krishna Smitha | Zainab | Mary | 1 | 1 |
| Peter Falls | Anders Park | Murphy | 1 | 2 |
| Rebeka Montoya | Leandra Castillo | Julie | 1 | 2 |
| Tom Parker | Alex | Madison's Father | 1 | 1 |
| Galadriel Stineman | Nina Sutton | Donna | 1 | 1 |
| Jean St. James | Cheryl Sullivan | Miss Palm | 1 | 1 |
| Livia Treviño | Property Manager | Samantha | 1 | 1 |
| Skye P. Marshall | Sonia Moss | Trish Lawrence | 1 | 1 |
| Wendy Schenker | Angry Woman | Grocery Store Woman | 1 | 1 |
| Clayton Farris | Serge | P.R. Person | 1 | 1 |
| Herbert Russell | Arborist | Fan #2 | 1 | 1 |
| Jack McGee | John "Red" Delacroix | George | 1 | 1 |
| Mark Atteberry | Doctor | Brad | 1 | 1 |
| Elia Cantu | Stacey Green | Female Intellectual | 2 | 1 |
| Jeanette O'Connor | Nosy Neighbor, Pearl | Vicky | 2 | 1 |
| Presley Alexander | Scarlett Baker | Alex | 1 | 2 |
| Sally Ann Brooks | Judy | Nurse Iris | 2 | 1 |
| Ulysses Morazan | ER Nurse | Flight Attendant #1 | 2 | 1 |
| Claudia Choi | ER Nurse | Justine | 1 | 1 |
| Crystal Coney | Dr. Friedman | Female Blind Speaker | 1 | 1 |
| Jonny Berryman | Jesse Spivey | Jordan | 1 | 1 |
| Lee Simpson | Franklin | Waiter | 1 | 1 |
| Richard Tanner | Ian | Director John | 1 | 1 |
| Thomas Anthony Jones | Dr. Turner | Kurt | 1 | 1 |
| Alan Heitz | Leprechaun | Rick | 1 | 1 |
| Carolyn Crotty | Female Judge | Host | 1 | 1 |
| Cinda Adams | Dora | Paula | 1 | 1 |
| Harrison White | Old Man | Man | 1 | 1 |
| Jinny Chung | Chief Sharlene Jackson | Assistant | 1 | 1 |
| Merrick McCartha | Chief Pate | Lester | 1 | 1 |
| Adam Wang | Nick Cameron | Asian Dad | 1 | 1 |
| Aly Mawji | Devon Wright | Amir | 1 | 1 |
| Michael Andrew Baker | Theo | Doctor | 1 | 1 |
| Phillip Daniel | Bartender | Barista | 1 | 1 |
| Brandon Morales | Raymond Dykstra | Co-Worker | 1 | 1 |
| Connie Jackson | Fatima | Waitress | 1 | 1 |
| Jerimiyah Dunbar | Scotty | Penn State Player | 1 | 1 |
| Michael James Lazar | Joe | Joseph | 1 | 1 |
| Anthony M. Bertram | Larry | Chuck | 1 | 1 |
| Ericka Kreutz | Cuffed Woman | Sue | 1 | 1 |
| Jaxy Boyd | Brenda | Maya Duncan | 1 | 1 |
| Jill Remez | Judge | Ms. Gathier | 1 | 1 |
| Adrian Bustamante | Douche Bag | Councilman Tom | 1 | 1 |
| Kila Packett | Wyatt | Boomer | 1 | 1 |
| Thomas Crawford | Joseph | Mr. Simons | 1 | 1 |
| Time Winters | Professor Russell Sharpe | Dr. Patterson | 1 | 1 |
| Erica Shaffer | Mrs. Gallagher | Mother | 1 | 1 |
| Freddy D. Ramsey Jr. | Young Michael Grant | Quinton | 1 | 1 |
| Jennifer Neala Page | Barbara | Nurse | 1 | 1 |
| John Gloria | LAPD Negotiator | Carl | 1 | 1 |
| Lissa Pallo | Woman | Councilman Tom's Wife | 1 | 1 |
| Becky Wu | ER Doctor #2 | Janice | 1 | 1 |
| Benmio McCrea | Doctor | Dr. Dorsey | 1 | 1 |
| Stewart Skelton | Minister | Father Williams | 1 | 1 |
| Alfred Woodley | Captain Roose | Man | 1 | 1 |
| Anthony Ma | Van | Andrew | 1 | 1 |
| Becki Dennis | Music Teacher | Nurse | 1 | 1 |
| Brianna Reed | Teen Joanne | Teen Zoe | 1 | 1 |
| Rafael Cabrera | Fight Fan | Franco Harris | 1 | 1 |
| Chuck Ramage | Weak Bladder | Man #1 | 1 | 1 |
| Adrian Snow | Mrs. Clemens | Surgery Nurse | 1 | 1 |
| Tom Beyer | Minister | Magistrate | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.