Actors in both 9-1-1: Lone Star and Grey's Anatomy
111 actors have appeared in both 9-1-1: Lone Star and Grey's Anatomy, across 539 episodes. The most-credited is Mark Saul, Augie Thomas in 9-1-1: Lone Star and Dr. Steve Mostow in Grey's Anatomy.
| Actor | In 9-1-1: Lone Star | In Grey's Anatomy | Eps | Eps |
|---|---|---|---|---|
| Mark Saul | Augie Thomas | Dr. Steve Mostow | 1 | 36 |
| Derek Webster | Charles Vega | Paul Anderson | 12 | 1 |
| D.B. Woodside | Reverend Trevor Parks | Marcus King | 9 | 1 |
| Michelle C. Bonilla | Sara Ortiz | Dr. Elena Chavez | 9 | 1 |
| Rebecca Field | Joy | Sabine McNeil | 1 | 7 |
| Amy Acker | Catherine Harper | Dr. Kathleen Shepherd | 6 | 1 |
| Jack Conley | Captain Jack Tatum | Jasper Hovey | 4 | 1 |
| Amanda Payton | Asha Fulton | Dr. Daphne Lopez | 4 | 1 |
| Kyle Secor | Alden Radford | John Dickinson | 4 | 3 |
| Andy Favreau | Pearce Risher | Jack Moss | 3 | 1 |
| Cindy Drummond | Carol | Gwendolyn Yates, Louis' Wife | 2 | 2 |
| Kerry O'Malley | Wren | Jane Collins | 1 | 1 |
| Mary Kay Place | Theresa Blake | Olive "Ollie" Warner | 3 | 3 |
| Sumalee Montano | Principal Annie Crabtree | Lena McCallister | 1 | 1 |
| Brigid Brannagh | Abe's Mother | Veronica Kays | 1 | 2 |
| Tim Griffin | Bennett | Ronny O'Malley | 1 | 5 |
| Anton Starkman | Keith | Harrison Meade | 1 | 9 |
| William Allen Young | Benjamin Williams | Morris Haynes | 3 | 1 |
| Alex Quijano | Jordan | Random Guy | 1 | 1 |
| Amy Motta | Sydney Strand | Jenna Lee | 3 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.