7,133 people with a page here, the busiest first, counted by the productions and shows we hold for each. Another 24,181 people are named in cast lists and have no page yet.
| Marian Bissell Book Writer | 1 shows |
| Marian Burke Actor | 1 productions |
| Marian Grudeff Composer, Lyricist | 1 shows |
| Marianna Gailus Actor | 1 productions |
| Marilyn Berry Actor | 1 productions |
| Marilynn Bradley Actor | 1 productions |
| Marina Kondo Actor | 1 productions |
| Marinda Anderson Actor | 1 productions |
| Marine Jahan Actor | 1 productions |
| Mario Fratti Book Writer | 1 shows |
| Marion Bell Actor | 1 productions |
| Marion Claire Actor | 1 productions |
| Marion Clayton Actor | 1 productions |
| Marion Green Actor | 1 productions |
| Marion J. Caffey Actor | 1 productions |
| Marion Lorne Actor | 1 productions |
| Marion Sunshine & Florence Tempest Actor | 1 productions |
| Marisa Jaret Winokur Composer | 1 shows |
| Mariska Hargitay Actor | 1 productions |
| Marjan Neshat Actor | 1 productions |
| Marjorie Main Actor | 1 productions |
| Mark Aldon Actor | 1 productions |
| Mark Charlap Composer | 1 shows |
| Mark Consuelos Actor | 1 productions |
| Mark Dendy Choreographer | 1 shows |
| Mark Dickman Orchestrator | 1 shows |
| Mark Fisher Book Writer | 1 shows |
| Mark Hamill Actor | 1 productions |
| Mark Harelik Actor | 1 productions |
| Mark Hollman Composer, Lyricist | 1 shows |
| Mark Hollmann Composer, Lyricist | 1 shows |
| Mark Karl Actor | 1 productions |
| Mark Kudisch Composer | 1 shows |
| Mark Lambert Actor | 1 productions |
| Mark Lamos Director | 1 productions |
| Mark Mitchell Composer | 1 shows |
| Mark Mitrano Actor | 1 productions |
| Mark Plant Actor | 1 productions |
| Mark Rosenblatt Book Writer | 1 shows |
| Mark Sandrich Jr. Composer | 1 shows |
| Mark Schoenfeld Book Writer, Composer, Lyricist | 1 shows |
| Mark Strong Actor | 1 productions |
| Mark Swan Book Writer, Director | 1 shows |
| Marketa Irglova Composer, Lyricist | 1 shows |
| Marley Lianne Gomes Actor | 1 productions |
| Marlies Yearby Choreographer | 1 shows |
| Marquis Orchestrator | 1 shows |
| Marsha Kramer Actor | 1 productions |
| Martin Brown Book Writer | 1 shows |
| Martin Gabel Actor | 1 productions |
| Martin Jarvis Actor | 1 productions |
| Martin Scorsese Director | 1 shows |
| Martin Sherman Book Writer | 1 shows |
| Martin Silvestri Orchestrator | 1 shows |
| Martine Allard Actor | 1 productions |
| Marty Drake Actor, Director | 1 productions |
| Marty Lauter Actor | 1 productions |
| Mary Eaton Actor | 1 productions |
| Mary Ellis Actor | 1 productions |
| Mary Forrest Director | 1 shows |