Actors in both ER and Las Vegas
234 actors have appeared in both ER and Las Vegas, across 437 episodes. The most-credited is Camille Guaty, Mia in ER and Piper Nielsen in Las Vegas.
| Actor | In ER | In Las Vegas | Eps | Eps |
|---|---|---|---|---|
| Camille Guaty | Mia | Piper Nielsen | 1 | 16 |
| John Terry | Dr. David 'Div' Cvetic | Larry McCoy | 8 | 4 |
| Malaya Rivera Drew | Katie Alvaro | Shannon | 11 | 6 |
| Michael B. Silver | Dr. Paul Myers | Dr. Steve Levin | 12 | 4 |
| Matthew Glave | Dr. Dale Edson | Jason Decker | 15 | 1 |
| Joe Manganiello | Officer Litchman | Carson Stuart | 4 | 1 |
| Ernie Hudson | Colonel James Gallant | Bob Casey | 2 | 2 |
| James Earl | Elgin Gibbs | Little Fly | 4 | 2 |
| Joel McKinnon Miller | Mr. Emerson | Lyle Nubbin | 1 | 3 |
| Megan Cole | Pathologist Dr. Upton | Judge Jo-Ann Davidson | 7 | 1 |
| Wallace Langham | Dr. Melvoin | Julian Kerbis | 1 | 1 |
| Christina Hendricks | Joyce Westlake | Connie | 4 | 1 |
| Lyle Kanouse | Mitch | Judge Ferguson | 1 | 2 |
| Paul Adelstein | Hank Loman, Paul | Alex Brooks | 2 | 1 |
| Ransford Doherty | Randall James | Steve #2 | 1 | 2 |
| Brendan Patrick Connor | Paramedic Reidy | Gas Station Attendant | 13 | 1 |
| Michael McGrady | Fire Captain Davis | Detective Max Dillon | 1 | 3 |
| Sandrine Holt | Drew | Detective Jenny Cho | 1 | 3 |
| Dennis Boutsikaris | Dr. David Kotlowitz | Lance Marshall | 4 | 1 |
| Aimee Garcia | Leanne Lawler | Lizzie Posner | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.