Actors in both ER and JAG
231 actors have appeared in both ER and JAG, across 558 episodes. The most-credited is Hallee Hirsh, Rachel Greene in ER and Mattie Grace Johnson in JAG.
| Actor | In ER | In JAG | Eps | Eps |
|---|---|---|---|---|
| Hallee Hirsh | Rachel Greene | Mattie Grace Johnson | 14 | 4 |
| Christine Elise | Harper Tracy | CDR Ferraro | 15 | 1 |
| Elizabeth Mitchell | Dr. Kim Legaspi | 1st Lt. Sandra Gilbert | 14 | 1 |
| Paul Collins | Dr. Norm Middleton | SecNav Alexander Nelson | 1 | 14 |
| Harrison Page | Stan | Rear Admiral Stiles Morris, Capt. Stiles Morris | 4 | 10 |
| Demetrius Navarro | Paramedic Morales | Angel Munoz | 53 | 1 |
| Steven Culp | Dave Spencer, Dr. Charles Cameron | Special Agent Clayton Webb | 5 | 8 |
| Andrea Parker | Linda Farrell | Commander Caitlin "Kate" Pike, USN | 10 | 1 |
| Mae Whitman | Heather | Chloe Madison | 1 | 8 |
| Rif Hutton | Mr. Royston | LCDR Alan Mattoni | 1 | 7 |
| Cress Williams | Officer Reggie Moore | Captain Overton | 14 | 1 |
| Laura Putney | Patricia Cox | Catherine Gale | 1 | 5 |
| Isabella Hofmann | AIDS Clinic Doctor | Meredith Cavanaugh | 1 | 4 |
| Matthew Glave | Dr. Dale Edson | LT Jack "Ripper" Carter | 15 | 2 |
| Sean Murray | Bret Logan | Danny Walden | 1 | 3 |
| Tamala Reneé Jones | Joanie Robbins | Nia | 3 | 1 |
| Scott Jaeck | Dr. Steven Flint | Commander Dooley | 12 | 1 |
| Jim Fitzpatrick | Lt. Col. McGreun | Lt. Cmdr. Murray Douglas, Marine Maj. Warren Lasley | 1 | 2 |
| Luck Hari | Lakshmi, OB Nurse | Sahiba Khalili | 2 | 1 |
| Patrick Kilpatrick | Matthew Lindermulder | CAPT Lyle, Kent | 1 | 2 |
Cast data from TVmaze, licensed CC BY-SA 4.0.