Actors in both ER and Two and a Half Men
94 actors have appeared in both ER and Two and a Half Men, across 593 episodes. The most-credited is Lyn Alicia Henderson, Paramedic Pamela Olbes in ER and Patricia in Two and a Half Men.
| Actor | In ER | In Two and a Half Men | Eps | Eps |
|---|---|---|---|---|
| Lyn Alicia Henderson | Paramedic Pamela Olbes | Patricia | 149 | 1 |
| Judy Greer | Tildie Mulligan | Bridget, Myra, Danny | 1 | 13 |
| Ming-Na Wen | Dr. Jing-Mei "Deb" Chen | Linda Harris | 8 | 5 |
| Maggie Lawson | Shannon Mitchell | Ms. McMartin | 1 | 10 |
| Conchata Ferrell | Mrs. Jenkins | Berta | 1 | 8 |
| Liz Vassey | Liz | Michelle, Kate | 4 | 4 |
| Stacy Keach | Mike Gates | Tom | 3 | 4 |
| Brendan Patrick Connor | Paramedic Reidy | Clive, Middle-Aged Guy | 13 | 2 |
| Katherine LaNasa | Janet Wilco | Lydia | 1 | 4 |
| Emily Rose | Dr. Tracy Martin | Janine | 11 | 1 |
| John Stamos | Dr. Tony Gates | John Stamos, prospective home buyer | 2 | 2 |
| Michael Patrick McGill | Detective Ed Bernstein, Security #1, Officer Jeffries | Joseph, Officer Smith | 6 | 2 |
| Myndy Crist | Valerie Page | Wendy | 2 | 1 |
| Rhyon Nicole Brown | Erika Crawford, Wendy | Ashley | 2 | 1 |
| Sara Rue | Jane | Naomi | 1 | 2 |
| Vernée Watson | April Wilson | Nurse, Karen | 2 | 4 |
| Iqbal Theba | Dr. Zogoiby | Don | 4 | 1 |
| Angus T. Jones | Sean Gattney | Jake Harper | 1 | 1 |
| Darryl Sivad | Colin | Cab Driver | 1 | 1 |
| Diane Delano | Stella Willis, Delores | Prison Matron | 5 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.