Actors in both Malcolm in the Middle and Will & Grace
74 actors have appeared in both Malcolm in the Middle and Will & Grace, across 397 episodes. The most-credited is Kenneth Mars, Otto Mannküsser in Malcolm in the Middle and Uncle Sid in Will & Grace.
| Actor | In Malcolm in the Middle | In Will & Grace | Eps | Eps |
|---|---|---|---|---|
| Kenneth Mars | Otto Mannküsser | Uncle Sid | 25 | 2 |
| John Ducey | Peter Rubin | Jamie | 1 | 5 |
| Landry Allbright | Julie Houlerman | Nancy | 3 | 2 |
| Mary Pat Gleason | Woman | Bridget, Sally | 1 | 4 |
| Jack McGee | Coach | Officer Murphy | 2 | 1 |
| Jennette McCurdy | Daisy, Penelope | Lisa | 2 | 1 |
| Rosanna Arquette | Anita | Julie | 1 | 2 |
| Richard Gross | Dave | Frank | 5 | 2 |
| Andy Richter | Dr. Kennedy | Dale | 1 | 1 |
| George Takei | George Takei | George Takei | 1 | 1 |
| Kate Micucci | Heather | Page | 1 | 1 |
| Kathryn Joosten | Claire | Felicia | 1 | 1 |
| Robert Curtis Brown | Tom | "Will" actor | 1 | 1 |
| Todd Stashwick | Nate | Gabe Robinson | 1 | 1 |
| Alex Boling | Willy | Judge, Stuart | 1 | 2 |
| Amy Farrington | Karen | Phyllis | 2 | 1 |
| John O'Brien | Store Clerk | Man, Salesperson | 1 | 2 |
| Kevin Brief | Brian, Guy | Ralph | 2 | 1 |
| Patricia Place | Dolores, Mrs. Jansen | Myrtle | 2 | 1 |
| Rose Abdoo | Margie | Aunt Rita | 2 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.