Actors in both ER and Malcolm in the Middle
297 actors have appeared in both ER and Malcolm in the Middle, across 482 episodes. The most-credited is Lyn Alicia Henderson, Paramedic Pamela Olbes in ER and Audience Member #1 in Malcolm in the Middle.
| Actor | In ER | In Malcolm in the Middle | Eps | Eps |
|---|---|---|---|---|
| Lyn Alicia Henderson | Paramedic Pamela Olbes | Audience Member #1 | 149 | 1 |
| Craig Lamar Traylor | Michael | Stevie Kenarban | 1 | 57 |
| Emy Coligado | Student #6 | Piama | 1 | 28 |
| Eric Nenninger | Psychotic Biting Patient | Eric Hansen | 1 | 27 |
| Sam Anderson | Dr. Jack Kayson | Police Commissioner | 19 | 1 |
| Busy Philipps | Dr. Hope Bobeck | Meghan | 14 | 1 |
| Kyle Sullivan | Nicholas Rosato | Dabney Hooper | 1 | 24 |
| Hallee Hirsh | Rachel Greene | Jessica | 14 | 1 |
| Drew Powell | Dennis Voltaire | Cadet Drew | 1 | 11 |
| Arjay Smith | Brian | Finley | 1 | 9 |
| Steve Vinovich | Wayne Lentloff | Mr. Hodges, Principal | 2 | 3 |
| Dan Martin | Lieutenant | Malik | 1 | 7 |
| Rheagan Wallace | Layla Dering | Raduca, Jackie | 1 | 3 |
| Perry Anzilotti | Dr. Perry (Anesthesiologist), Ed | Earl | 22 | 1 |
| Bob Glouberman | Jeff | Gerry | 1 | 2 |
| Danny McCarthy | Firefighter James | Hanson | 1 | 5 |
| Jack McGee | Rodney McMullen | Coach | 1 | 2 |
| Edward James Gage | Orderly | Brian | 1 | 7 |
| Julie Hagerty | Brenda Wilkerson | Polly | 1 | 4 |
| Merrin Dungey | Daphina | Kitty Kenarban, Teacher | 1 | 6 |
Cast data from TVmaze, licensed CC BY-SA 4.0.